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## Engage NY Eureka Math 2nd Grade Module 3 Lesson 7 Answer Key

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### Eureka Math Grade 2 Module 3 Lesson 7 Activity Sheet Answer Key

Spell Numbers: How many can you write correctly in 2 minutes?

________________

number spelling activity sheet

Answer:

I can spell all the numbers in 2 minutes.

Explanation:

In the above-given question,

given that,

1.

1 x one = 1 x 1.

1 x 1 = 1.

2 x one = 2 x 1.

2 x 1 = 2.

3 x one = 3 x 1.

3 x 1 = 3.

4 x one = 4 x 1.

4 x 1 = 4.

5 x one = 5 x 1.

5 x 1 = 5.

6 x one = 6 x 1.

6 x 1 = 6.

7 x one = 7 x 1.

7 x 1 = 7.

eight x one = 8 x 1.

8 x 1 = 8.

Eureka Math Grade 2 Module 3 Lesson 7 Sprint Answer Key

A. Expanded Form

Answer:

20 + 1 = 21, 20 + 2 = 22, 20 + 3 = 23, 20 + 9 = 29, 30 + 9 = 39, 40 + 9 = 49, 80 + 9 = 89, 40 + 4 = 44, 50 + 5 = 55, 10 + 7 = 17, 20 + 5 = 25, 200 + 30 = 230, 300 + 40 = 340, 400 + 50 = 450, 500 + 60 = 560, 600 + 70 = 670, 700 + 80 = 780, 200 + 30 + 5 = 235, 300 + 40 + 5 = 345, 400 + 50 + 6 = 456, 500 + 60 + 7 = 567, 600 + 70 + 8 = 678, 400 + 20 + 5 = 425, 200 + 60 + 1 = 261, 200 + 1 = 201, 300 + 1 = 301, 400 + 1 = 401, 500 + 1 = 501, 700 + 1 = 701, 300 + 50 + 2 = 352, 300 + 2 = 302, 100 + 10 + 7 = 117, 100 + 7 = 107, 700 + 10 + 5 = 715, 700 + 5 = 705, 300 + 40 + 7 = 347, 300 + 7 = 307, 500 + 30 + 2 = 532, 500 + 2 = 502, 2 + 500 = 502, 2 + 600 = 602, 2 +40 + 600 = 642, 3 + 10 + 700 = 713, 8 + 30 + 700 = 738.

Explanation:

In the above-given question,

given that,

write the number in expanded form.

20 + 1 = 21, 20 + 2 = 22, 20 + 3 = 23, 20 + 9 = 29, 30 + 9 = 39, 40 + 9 = 49, 80 + 9 = 89, 40 + 4 = 44, 50 + 5 = 55, 10 + 7 = 17, 20 + 5 = 25, 200 + 30 = 230, 300 + 40 = 340, 400 + 50 = 450, 500 + 60 = 560, 600 + 70 = 670, 700 + 80 = 780, 200 + 30 + 5 = 235, 300 + 40 + 5 = 345, 400 + 50 + 6 = 456, 500 + 60 + 7 = 567, 600 + 70 + 8 = 678, 400 + 20 + 5 = 425, 200 + 60 + 1 = 261, 200 + 1 = 201, 300 + 1 = 301, 400 + 1 = 401, 500 + 1 = 501, 700 + 1 = 701, 300 + 50 + 2 = 352, 300 + 2 = 302, 100 + 10 + 7 = 117, 100 + 7 = 107, 700 + 10 + 5 = 715, 700 + 5 = 705, 300 + 40 + 7 = 347, 300 + 7 = 307, 500 + 30 + 2 = 532, 500 + 2 = 502, 2 + 500 = 502, 2 + 600 = 602, 2 +40 + 600 = 642, 3 + 10 + 700 = 713, 8 + 30 + 700 = 738.

Question 1.

20 + 1 = 21.

Answer:

20 + 2 = twenty one.

Explanation:

In the above-given question,

given that,

20 + 1.

2 x tens = 2 x 10.

2 x 10 = 20.

1 x one = 1 x 1.

1 x 1 = 1.

20 + 1 = 21.

21 = twenty one.

Question 2.

20 + 2 = 22.

Answer:

20 + 2 = twenty two.

Explanation:

In the above-given question,

given that,

20 + 2.

2 x tens = 2 x 10.

2 x 10 = 20.

2 x one = 2 x 1.

2 x 1 = 2.

20 + 2 = 22.

22 = twenty-two.

Question 3.

20 + 3 = twenty three.

Answer:

20 + 3 = twenty three.

Explanation:

In the above-given question,

given that,

20 + 3.

2 x tens = 2 x 10.

2 x 10 = 20.

3 x one = 3 x 1.

3 x 1 = 3.

20 + 3 = 23.

23 = twenty three.

Question 4.

20 + 9 = twenty nine.

Answer:

20 + 9 = twenty nine.

Explanation:

In the above-given question,

given that,

20 + 9.

2 x tens = 2 x 10.

2 x 10 = 20.

9 x one = 9 x 1.

9 x 1 = 9.

20 + 9 = 29.

29 = twenty nine.

Question 5.

30 + 9 = thirty nine.

Answer:

30 + 9 = thirty nine.

Explanation:

In the above-given question,

given that,

30 + 9.

3 x tens = 3 x 10.

3 x 10 = 30.

9 x one = 9 x 1.

9 x 1 = 9.

30 + 9 = 39.

39 = thirty nine.

Question 6.

40 + 9 = fourty nine.

Answer:

40 + 9 = forty nine.

Explanation:

In the above-given question,

given that,

40 + 9.

4 x tens = 4 x 10.

4 x 10 = 40.

9 x one = 9 x 1.

9 x 1 = 9.

40 + 9 = 49.

49 = forty nine.

Question 7.

80 + 9 = 89.

Answer:

80 + 9 = eighty nine.

Explanation:

In the above-given question,

given that,

80 + 9.

8 x tens = 8 x 10.

8 x 10 = 80.

9 x one = 9 x 1.

9 x 1 = 9.

80 + 9 = 89.

89 = eighty nine.

Question 8.

40 + 4 = forty four.

Answer:

40 + 4 = forty four.

Explanation:

In the above-given question,

given that,

40 + 4.

4 x tens = 4 x 10.

4 x 10 = 40.

4 x one = 4 x 1.

4 x 1 = 4.

40 + 4 = 44.

44 = forty four.

Question 9.

50 + 5 = fifty five.

Answer:

50 + 5 = fifty five.

Explanation:

In the above-given question,

given that,

50 + 5.

5 x tens = 5 x 10.

5 x 10 = 50.

5 x one = 5 x 1.

5 x 1 = 5.

50 + 5 = 55.

55 = fifty five.

Question 10.

10 + 7 = seventeen.

Answer:

10 + 7 = seventeen.

Explanation:

In the above-given question,

given that,

10 + 7.

1 x tens = 1 x 10.

1 x 10 = 10.

7 x one = 7 x 1.

7 x 1 = 7.

10 + 7 = 17.

17 = seventeen.

Question 11.

20 + 5 = twenty five.

Answer:

20 + 5 = twenty five.

Explanation:

In the above-given question,

given that,

20 + 5.

2 x tens = 2 x 10.

2 x 10 = 20.

5 x one = 5 x 1.

5 x 1 = 5.

20 + 5 = 25.

25 = twenty five.

Question 12.

200 + 30 = two hundred thirty.

Answer:

200 + 30 = 230.

Explanation:

In the above-given question,

given that,

200 + 30.

2 x hundreds = 2 x 100.

2 x 100 = 200.

3 x tens = 3 x 10.

3 x 10 = 30.

200 + 30 = 230.

230 = two hundred thirty.

Question 13.

300 + 40 = 340.

Answer:

300 + 40 = 340.

Explanation:

In the above-given question,

given that,

300 + 40.

3 x hundreds = 3 x 100.

3 x 100 = 300.

4 x tens = 4 x 10.

4 x 10 = 40.

300 + 40 = 340.

340 = three hundred forty.

Question 14.

400 + 50 = 450.

Answer:

400 + 50 = 450.

Explanation:

In the above-given question,

given that,

400 + 50.

4 x hundreds = 4 x 100.

4 x 100 = 400.

5 x tens = 5 x 10.

5 x 10 = 50.

400 + 50 = 450.

450 = four hundred fifty.

Question 15.

500 + 60 = 560.

Answer:

500 + 60 = five hundred sixty.

Explanation:

In the above-given question,

given that,

500 + 60.

5 x hundreds = 5 x 100.

5 x 100 = 500.

6 x tens = 6 x 10.

6 x 10 = 60.

500 + 60 = 560.

560 = five hundred sixty.

Question 16.

600 + 70 = 670.

Answer:

600 + 70 = 670.

Explanation:

In the above-given question,

given that,

600 + 70.

6 x hundreds = 6 x 100.

6 x 100 = 600.

7 x tens = 7 x 10.

7 x 10 = 70.

600 + 70 = 670.

670 = six hundred seventy.

Question 17.

700 + 80 = 780.

Answer:

700 + 80 = seven hundred eighty.

Explanation:

In the above-given question,

given that,

700 + 80.

7 x hundreds = 7 x 100.

7 x 100 = 700.

8 x tens = 8 x 10.

8 x 10 = 80.

700 + 80 = 780.

780 = seven hundred eighty.

Question 18.

200 + 30 + 5 = 235.

Answer:

200 + 30 + 5 = two hundred thirty five.

Explanation:

In the above-given question,

given that,

200 + 30 + 5.

2 x hundreds = 2 x 100.

2 x 100 = 200.

3 x tens = 3 x 10.

3 x 10 = 30.

5 x ones = 5 x 1.

5 x 1 = 5.

200 + 30 + 5 = 235.

235 = two hundred thirty-five.

Question 19.

300 + 40 + 5 = 345.

Answer:

300 + 40 + 5 = three hundred forty five.

Explanation:

In the above-given question,

given that,

300 + 40 + 5.

3 x hundreds = 3 x 100.

3 x 100 = 300.

4 x tens = 4 x 10.

4 x 10 = 40.

5 x ones = 5 x 1.

5 x 1 = 5.

300 + 40 + 5 = 345.

345 = three hundred forty-five.

Question 20.

400 + 50 + 6 = 456.

Answer:

400 + 50 + 6 = four hundred fifty six.

Explanation:

In the above-given question,

given that,

400 + 50 + 6.

4 x hundreds = 4 x 100.

4 x 100 = 400.

5 x tens = 5 x 10.

5 x 10 = 50.

6 x ones = 6 x 1.

6 x 1 = 6.

400 + 50 + 6 = 456.

456 = four hundred fifty-six.

Question 21.

500 + 60 + 7 = 567.

Answer:

500 + 60 + 7 = five hundred sixty seven.

Explanation:

In the above-given question,

given that,

500 + 60 + 7.

5 x hundreds = 5 x 100.

5 x 100 = 500.

6 x tens = 6 x 10.

6 x 10 = 60.

7 x ones = 7 x 1.

7 x 1 = 7.

500 + 60 + 7 = 567.

567 = five hundred sixty-seven.

Question 22.

600 + 70 + 8 = 678.

Answer:

600 + 70 + 8 = six hundred seventy eight.

Explanation:

In the above-given question,

given that,

600 + 70 + 8.

6 x hundreds = 6 x 100.

6 x 100 = 600.

7 x tens = 7 x 10.

7 x 10 = 70.

8 x ones = 8 x 1.

8 x 1 = 8.

600 + 70 + 8 = 678.

678 = six hundred seventy-eight.

Question 23.

400 + 20 + 5 = 425.

Answer:

400 + 20 + 5 = four hundred twenty five.

Explanation:

In the above-given question,

given that,

400 + 20 + 5.

4 x hundreds = 4 x 100.

4 x 100 = 400.

2 x tens = 2 x 10.

2 x 10 = 20.

5 x ones = 5 x 1.

5 x 1 = 5.

400 + 20 + 5 = 425.

425 = four hundred twenty-five.

Question 24.

200 + 60 + 1 = 261.

Answer:

200 + 60 + 1 = two hundred sixty one.

Explanation:

In the above-given question,

given that,

200 + 60 + 1.

2 x hundreds = 2 x 100.

2 x 100 = 200.

6 x tens = 6 x 10.

6 x 10 = 60.

1 x ones = 1 x 1.

1 x 1 = 1.

200 + 60 + 1 = 261.

261 = two hundred sixty-one.

Question 25.

200 + 1 = 201.

Answer:

200 + 1 = two hundred one.

Explanation:

In the above-given question,

given that,

200 + 5.

2 x hundreds = 2 x 100.

2 x 100 = 200.

1 x ones = 1 x 1.

1 x 1 = 1.

200 + 1 = 201.

201 = two hundred one.

Question 26.

300 + 1 = 301.

Answer:

300 + 1 = three hundred one.

Explanation:

In the above-given question,

given that,

300 + 1.

3 x hundreds = 3 x 100.

3 x 100 = 300.

1 x ones = 1 x 1.

1 x 1 = 1.

300 + 1 = 301.

301 = three hundred one.

Question 27.

400 + 1 = 401.

Answer:

400 + 1 = four hundred one.

Explanation:

In the above-given question,

given that,

400 + 1.

4 x hundreds = 4 x 100.

4 x 100 = 400.

1 x ones = 1 x 1.

1 x 1 = 1.

400 + 1 = 401.

401 = four hundred one.

Question 28.

500 + 1 = 501.

Answer:

500 + 1 = five hundred one.

Explanation:

In the above-given question,

given that,

500 + 1.

5 x hundreds = 5 x 100.

5 x 100 = 500.

1 x ones = 1 x 1.

1 x 1 = 1.

500 + 1 = 501.

501 = five hundred one.

Question 29.

700 + 1 = 701.

Answer:

700 + 1 = seven hundred one.

Explanation:

In the above-given question,

given that,

700 + 1.

7 x hundreds = 7 x 100.

7 x 100 = 700.

1 x ones = 1 x 1.

1 x 1 = 1.

700 + 1 = 701.

701 = seven hundred one.

Question 30.

300 + 50 + 2 = 352.

Answer:

300 + 50 + 2 = three hundred fifty two.

Explanation:

In the above-given question,

given that,

300 + 50 + 2.

3 x hundreds = 3 x 100.

3 x 100 = 300.

5 x tens = 5 x 10.

5 x 10 = 50.

2 x ones = 2 x 1.

2 x 1 = 2.

300 + 50 + 2 = 352.

352 = three hundred fifty-two.

Question 31.

300 + 2 = 302.

Answer:

300 + 2 = three hundred two.

Explanation:

In the above-given question,

given that,

300 + 2.

3 x hundreds = 3 x 100.

3 x 100 = 300.

2 x ones = 2 x 1.

2 x 1 = 2.

300 + 2 = 302.

302 = three hundred two.

Question 32.

100 + 10 + 7 = 117.

Answer:

100 + 10 + 7 = one hundred seventeen.

Explanation:

In the above-given question,

given that,

100 + 10 + 7.

1 x hundreds = 1 x 100.

1 x 100 = 100.

1 x tens = 1 x 10.

1 x 10 = 10.

7 x ones = 7 x 1.

7 x 1 = 7.

100 + 10 + 7 = 117.

117 = one hundred seventeen.

Question 33.

100 + 7 =107.

Answer:

100 + 7 = one hundred seven.

Explanation:

In the above-given question,

given that,

100 + 7.

1 x hundreds = 1 x 100.

1 x 100 = 100.

7 x ones = 7 x 1.

7 x 1 = 7.

100 + 7 = 107.

107 = one hundred seven.

Question 34.

700 + 10 + 5 = 715.

Answer:

700 + 10 + 5 = seven hundred fifteen.

Explanation:

In the above-given question,

given that,

700 + 10 + 5.

7 x hundreds = 7 x 100.

7 x 100 = 700.

1 x tens = 1 x 10.

1 x 10 = 10.

5 x ones = 5 x 1.

5 x 1 = 5.

700 + 10 + 5 = 715.

715 = seven hundred fifteen.

Question 35.

700 + 5 = 705.

Answer:

700 + 5 = seven hundred five.

Explanation:

In the above-given question,

given that,

700 + 5.

7 x hundreds = 7 x 100.

7 x 100 = 700.

5 x ones = 5 x 1.

5 x 1 = 5.

700 + 5 = 705.

705 = seven hundred five.

Question 36.

300 + 40 + 7 = 347.

Answer:

300 + 40 + 7 = three hundred forty seven.

Explanation:

In the above-given question,

given that,

300 + 40 + 7.

3 x hundreds = 3 x 100.

3 x 100 = 300.

4 x tens = 4 x 10.

4 x 10 = 40.

7 x ones = 7 x 1.

7 x 1 = 7.

300 + 40 + 7 = 347.

347 = three hundred forty-seven.

Question 37.

300 + 7 = 307.

Answer:

300 + 7 = three hundred seven.

Explanation:

In the above-given question,

given that,

300 + 7.

3 x hundreds = 3 x 100.

3 x 100 = 300.

7 x ones = 7 x 1.

7 x 1 = 7.

300 + 7 = 307.

307 = three hundred seven.

Question 38.

500 + 30 + 2 = 532.

Answer:

500 + 30 + 2 = five hundred thirty two.

Explanation:

In the above-given question,

given that,

500 + 30 + 2.

5 x hundreds = 5 x 100.

5 x 100 = 500.

3 x tens = 3 x 10.

3 x 10 = 30.

2 x ones = 2 x 1.

2 x 1 = 2.

500 + 30 + 2 = 532.

532 = five hundred thirty-two.

Question 39.

500 + 2 = 502.

Answer:

500 + 2 = five hundred two.

Explanation:

In the above-given question,

given that,

500 + 2.

5 x hundreds = 5 x 100.

5 x 100 = 500.

2 x ones = 2 x 1.

2 x 1 = 2.

500 + 2 = 502.

502 = five hundred two.

Question 40.

2 + 500 = 502.

Answer:

500 + 2 = five hundred two.

Explanation:

In the above-given question,

given that,

500 + 2.

5 x hundreds = 5 x 100.

5 x 100 = 500.

2 x ones = 2 x 1.

2 x 1 = 2.

500 + 2 = 502.

502 = five hundred two.

Question 41.

2 + 600 = 602.

Answer:

600 + 2 = six hundred two.

Explanation:

In the above-given question,

given that,

600 + 2.

6 x hundreds = 6 x 100.

6 x 100 = 600.

2 x ones = 2 x 1.

2 x 1 = 2.

600 + 2 = 602.

602 = six hundred two.

Question 42.

2 + 40 + 600 = 642.

Answer:

600 + 40 + 2 = six hundred forty two.

Explanation:

In the above-given question,

given that,

600 + 40 + 2.

6 x hundreds = 6 x 100.

6 x 100 = 600.

4 x tens = 4 x 10.

4 x 10 = 40.

2 x ones = 2 x 1.

2 x 1 = 2.

600 + 40 + 2 = 642.

642 = six hundred forty-two.

Question 43.

3+ 10 + 700 = 713.

Answer:

700 + 10 + 3 = seven hundred thirteen.

Explanation:

In the above-given question,

given that,

700 + 10 + 3.

7 x hundreds = 7 x 100.

7 x 100 = 700.

1 x tens = 1 x 10.

1 x 10 = 10.

3 x ones = 3 x 1.

3 x 1 = 3.

700 + 10 + 3 = 713.

713 = seven hundred thirteen.

Question 44.

8 + 30 + 700 = 738.

Answer:

700 + 30 + 8 = seven hundred thirty eight.

Explanation:

In the above-given question,

given that,

700 + 30 + 8.

7 x hundreds = 7 x 100.

7 x 100 = 700.

3 x tens = 3 x 10.

3 x 10 = 30.

8 x ones = 8 x 1.

8 x 1 = 8.

700 + 30 + 8 = 738.

738 = seven hundred thirty-eight.

B. Expanded Form

Answer:

10 + 1 = 11, 10 + 2 = 12, 10 + 3 = 13, 10 + 9 = 19, 20 + 9 = 29, 30 + 9 = 39, 70 + 9 = 79, 30 + 3 = 33, 40 + 4 = 44, 80 + 7 = 87, 90 + 5 = 95, 100 + 20 = 120, 200 + 30 = 230, 300 + 40 = 340, 400 + 50 = 450, 500 + 60 = 560, 600 + 70 = 670, 300 + 40 + 5 = 345, 400 + 50 + 6 = 456, 500 + 60 + 7 = 567, 600 + 70 + 8 = 678, 700 + 80 + 9 = 789, 500 + 30 + 6 = 536, 300 + 70 + 1 = 371, 300 + 1 = 301, 400 + 1 = 401, 500 + 1 = 501, 600 + 1 = 601, 900 + 1 = 901, 400 + 60 + 3 = 463, 400 + 3 = 403, 100 + 10 + 5 = 115, 100 + 5 = 105, 800 + 10 + 5 = 815, 800 + 5 = 805, 200 + 30 + 7 = 237, 200 + 7 = 207, 600 + 40 + 2 = 642, 600 + 2 = 602, 2 + 600 = 602, 3 + 600 = 603, 3 + 40 + 600 = 643, 5 + 10 + 800 = 815, 9 + 20 + 700 = 729.

Explanation:

In the above-given question,

given that,

write the number in expanded form.

10 + 1 = 11, 10 + 2 = 12, 10 + 3 = 13, 10 + 9 = 19, 20 + 9 = 29, 30 + 9 = 39, 70 + 9 = 79, 30 + 3 = 33, 40 + 4 = 44, 80 + 7 = 87, 90 + 5 = 95, 100 + 20 = 120, 200 + 30 = 230, 300 + 40 = 340, 400 + 50 = 450, 500 + 60 = 560, 600 + 70 = 670, 300 + 40 + 5 = 345, 400 + 50 + 6 = 456, 500 + 60 + 7 = 567, 600 + 70 + 8 = 678, 700 + 80 + 9 = 789, 500 + 30 + 6 = 536, 300 + 70 + 1 = 371, 300 + 1 = 301, 400 + 1 = 401, 500 + 1 = 501, 600 + 1 = 601, 900 + 1 = 901, 400 + 60 + 3 = 463, 400 + 3 = 403, 100 + 10 + 5 = 115, 100 + 5 = 105, 800 + 10 + 5 = 815, 800 + 5 = 805, 200 + 30 + 7 = 237, 200 + 7 = 207, 600 + 40 + 2 = 642, 600 + 2 = 602, 2 + 600 = 602, 3 + 600 = 603, 3 + 40 + 600 = 643, 5 + 10 + 800 = 815, 9 + 20 + 700 = 729.

Question 1.

10 + 1 = 11.

Answer:

10 + 1 = eleven.

Explanation:

In the above-given question,

given that,

10 + 1.

1 x tens = 1 x 10.

1 x 10 = 10.

1 x one = 1 x 1.

1 x 1 = 1.

10 + 1 = 11.

11 = eleven.

Question 2.

10 + 2 = 12.

Answer:

10 + 2 = twelve.

Explanation:

In the above-given question,

given that,

10 + 2.

1 x tens = 1 x 10.

1 x 10 = 10.

2 x one = 2 x 1.

2 x 1 = 2.

10 + 2 = 12.

12 = twelve.

Question 3.

10 + 3 = thirteen

Answer:

10 + 3 = thirteen.

Explanation:

In the above-given question,

given that,

10 + 3.

1 x tens = 1 x 10.

1 x 10 = 10.

3 x one = 3 x 1.

3 x 1 = 3.

10 + 3 = 13.

13 = thirteen.

Question 4.

10 + 9 = 19.

Answer:

10 + 9 = ninteen.

Explanation:

In the above-given question,

given that,

10 + 9.

1 x tens = 1 x 10.

1 x 10 = 10.

9 x one = 9 x 1.

9 x 1 = 9.

10 + 9 = 19.

19 = ninteen.

Question 5.

20 + 9 = 29.

Answer:

20 + 9 = twenty nine.

Explanation:

In the above-given question,

given that,

20 + 9.

1 x tens = 1 x 10.

1 x 10 = 10.

9 x one = 9 x 1.

9 x 1 = 9.

20 + 9 = 29.

29 = twenty nine.

Question 6.

30 + 9 = 39.

Answer:

30 + 9 = thirty nine.

Explanation:

In the above-given question,

given that,

30 + 9.

1 x tens = 1 x 10.

1 x 10 = 10.

9 x one = 9 x 1.

9 x 1 = 9.

30 + 9 = 39.

39 = thirty nine.

Question 7.

70 + 9 = seventy nine.

Answer:

70 + 9 = 79.

Explanation:

In the above-given question,

given that,

70 + 9.

7 x tens = 7 x 10.

7 x 10 = 70.

9 x one = 9 x 1.

9 x 1 = 9.

70 + 9 = 79.

79 = seventy nine.

Question 8.

30 + 3 = thirty three.

Answer:

30 + 3 = 33.

Explanation:

In the above-given question,

given that,

30 + 3.

3 x tens = 3 x 10.

3 x 10 = 30.

3 x one = 3 x 1.

3 x 1 = 3.

30 + 3 = 33.

33 = thirty-three.

Question 9.

40 + 4 = forty four.

Answer:

40 + 4 = 44.

Explanation:

In the above-given question,

given that,

40 + 4.

4 x tens = 4 x 10.

4 x 10 = 40.

4 x one = 4 x 1.

4 x 1 = 4.

40 + 4 = 44.

44 = forty four.

Question 10.

80 + 7 = 87.

Answer:

80 + 7 = eighty seven.

Explanation:

In the above-given question,

given that,

80 + 7.

8 x tens = 8 x 10.

8 x 10 = 80.

7 x one = 7 x 1.

7 x 1 = 7.

80 + 7 = 87.

87 = eighty seven.

Question 11.

90 + 5 = ninty five.

Answer:

90 + 5 = 95.

Explanation:

In the above-given question,

given that,

90 + 5.

9 x tens = 9 x 10.

9 x 10 = 90.

5 x one = 5 x 1.

5 x 1 = 5.

90 + 5 = 95.

95 = ninty five.

Question 12.

100 + 20 = 120.

Answer:

100 + 20 = one hundred twenty.

Explanation:

In the above-given question,

given that,

100 + 20.

1 x hundreds = 1 x 100.

1 x 100 = 100.

2 x tens = 2 x 10.

2 x 10 = 20.

100 + 20 = 120.

120 = one hundred twenty.

Question 13.

200 + 30 = 230.

Answer:

200 + 30 = two hundred thirty.

Explanation:

In the above-given question,

given that,

200 + 30.

2 x hundreds = 2 x 100.

2 x 100 = 200.

3 x tens = 3 x 10.

3 x 10 = 30.

200 + 30 = 230.

230 = two hundred thirty.

Question 14.

300 + 40 = 340.

Answer:

300 + 40 = three hundred forty.

Explanation:

In the above-given question,

given that,

300 + 40.

3 x hundreds = 3 x 100.

3 x 100 = 300.

4 x tens = 4 x 10.

4 x 10 = 40.

300 + 40 = 340.

340 = three hundred forty.

Question 15.

400 + 50 = 450.

Answer:

400 + 50 = four hundred fifty.

Explanation:

In the above-given question,

given that,

400 + 50.

4 x hundreds = 4 x 100.

4 x 100 = 400.

5 x tens = 5 x 10.

5 x 10 = 50.

400 + 50 = 450.

450 = four hundred fifty.

Question 16.

500 + 60 = 560.

Answer:

500 + 60 = five hundred sixty.

Explanation:

In the above-given question,

given that,

500 + 60.

5 x hundreds = 5 x 100.

5 x 100 = 500.

6 x tens = 6 x 10.

6 x 10 = 60.

500 + 60 = 560.

560 = five hundred sixty.

Question 17.

600 + 70 = 670.

Answer:

600 + 70 = six hundred seventy.

Explanation:

In the above-given question,

given that,

600 + 70.

6 x hundreds = 6 x 100.

6 x 100 = 600.

7 x tens = 7 x 10.

7 x 10 = 70.

600 + 70 = 670.

670 = six hundred seventy.

Question 18.

300 + 40 + 5 = 345.

Answer:

300 + 40 + 5 = three hundred forty five.

Explanation:

In the above-given question,

given that,

300 + 40 + 5.

3 x hundreds = 3 x 100.

3 x 100 = 300.

4 x tens = 4 x 10.

4 x 10 = 40.

5 x ones = 5 x 1.

5 x 1 = 5.

300 + 40 + 5 = 345.

345 = three hundred forty-five.

Question 19.

400 + 50 + 6 = 456.

Answer:

400 + 50 + 6 = four hundred fiftyty six.

Explanation:

In the above-given question,

given that,

400 + 50 + 6.

4 x hundreds = 4 x 100.

4 x 100 = 400.

5 x tens = 5 x 10.

5 x 10 = 50.

6 x ones = 6 x 1.

6 x 1 = 6.

400 + 50 + 6 = 456.

456 = four hundred fifty-six.

Question 20.

500 + 60 + 7 = 567.

Answer:

500 + 60 + 7 = five hundred sixty seven.

Explanation:

In the above-given question,

given that,

500 + 60 + 7.

5 x hundreds = 5 x 100.

5 x 100 = 500.

6 x tens = 6 x 10.

6 x 10 = 60.

7 x ones = 7 x 1.

7 x 1 = 7.

500 + 60 + 7 = 567.

567 = five hundred sixty-seven.

Question 21.

600 + 70 + 8 = 678.

Answer:

600 + 70 + 8 = six hundred seventy eight.

Explanation:

In the above-given question,

given that,

600 + 70 + 8.

6 x hundreds = 6 x 100.

6 x 100 = 600.

7 x tens = 7 x 10.

7 x 10 = 70.

8 x ones = 8 x 1.

8 x 1 = 8.

600 + 70 + 8 = 678.

678 = six hundred seventy-eight.

Question 22.

700 + 80 + 9 = 789.

Answer:

700 + 80 + 9 = seven hundred eighty nine.

Explanation:

In the above-given question,

given that,

700 + 80 + 9.

7 x hundreds = 7 x 100.

7 x 100 = 700.

8 x tens = 8 x 10.

8 x 10 = 80.

9 x ones = 9 x 1.

9 x 1 = 9.

700 + 80 + 9 = 789.

789 = seven hundred eighty-nine.

Question 23.

500 + 30 + 6 = 536.

Answer:

500 + 30 + 6 = five hundred thirty six.

Explanation:

In the above-given question,

given that,

500 + 30 + 6.

5 x hundreds = 5 x 100.

5 x 100 = 500.

3 x tens = 3 x 10.

3 x 10 = 30.

6 x ones = 6 x 1.

6 x 1 = 6.

500 + 30 + 6 = 536.

536 = five hundred thirty-six.

Question 24.

300 + 70 + 1 = 371.

Answer:

300 + 70 + 1 = three hundred seventy one.

Explanation:

In the above-given question,

given that,

300 + 70 + 1.

3 x hundreds = 3 x 100.

3 x 100 = 300.

7 x tens = 7 x 10.

7 x 10 = 70.

1 x ones = 1 x 1.

1 x 1 = 1.

300 + 70 + 1 = 371.

371 = three hundred seventy one.

Question 25.

300 + 1 = 301.

Answer:

300 + 1 = three hundred one.

Explanation:

In the above-given question,

given that,

300 + 1.

3 x hundreds = 3 x 100.

3 x 100 = 300.

1 x ones = 1 x 1.

1 x 1 = 2.

300 + 2 = 302.

302 = three hundred two.

Question 26.

400 + 1 = 401.

Answer:

400 + 1 = four hundred one.

Explanation:

In the above-given question,

given that,

400 + 1.

4 x hundreds = 4 x 100.

4 x 100 = 400.

1 x ones = 1 x 1.

1 x 1 = 1.

400 + 1 = 401.

401 = four hundred one.

Question 27.

500 + 1 = 501.

Answer:

500 + 1 = five hundred one.

Explanation:

In the above-given question,

given that,

500 + 1.

5 x hundreds = 5 x 100.

5 x 100 = 500.

1 x ones = 1 x 1.

1 x 1 = 2.

500 + 1 = 501.

501 = five hundred one.

Question 28.

600 + 1 = 601.

Answer:

600 + 1 = six hundred one.

Explanation:

In the above-given question,

given that,

600 + 1.

6 x hundreds = 6 x 100.

6 x 100 = 600.

1 x ones = 1 x 1.

1 x 1 = 1.

600 + 1 = 601.

601 = six hundred one.

Question 29.

900 + 1 = 901.

Answer:

900 + 1 = nine hundred one.

Explanation:

In the above-given question,

given that,

900 + 1.

9 x hundreds = 9 x 100.

9 x 100 = 900.

1 x ones = 1 x 1.

1 x 1 = 1.

900 + 1 = 901.

901 = nine hundred one.

Question 30.

400 + 60 + 3 = 463.

Answer:

400 + 60 + 3 = four hundred sixty three.

Explanation:

In the above-given question,

given that,

400 + 60 + 3.

4 x hundreds = 4 x 100.

4 x 100 = 400.

6 x tens = 6 x 10.

6 x 10 = 60.

3 x ones = 3 x 1.

3 x 1 = 3.

400 + 60 + 3 = 463.

463 = four hundred sixty-three.

Question 31.

400 + 3 = 403.

Answer:

400 + 3 = four hundred three.

Explanation:

In the above-given question,

given that,

400 + 3.

4 x hundreds = 4 x 100.

4 x 100 = 400.

3 x ones = 3 x 1.

3 x 1 = 3.

400 + 3 = 403.

403 = four hundred three.

Question 32.

100 + 10 + 5 =115.

Answer:

100 + 10 + 5 = one hundred fifteen.

Explanation:

In the above-given question,

given that,

100 + 10 + 5.

1 x hundreds = 1 x 100.

1 x 100 = 100.

1 x tens = 1 x 10.

1 x 10 = 10.

5 x ones = 5 x 1.

5 x 1 = 5.

100 + 10 + 5 = 115.

115 = one hundred fifteen.

Question 33.

100 + 5 = 105.

Answer:

100 + 5 = one hundred five.

Explanation:

In the above-given question,

given that,

100 + 5.

1 x hundreds = 1 x 100.

1 x 100 = 100.

5 x ones = 5 x 1.

5 x 1 = 5.

100 + 5 = 105.

105 = one hundred five.

Question 34.

800 + 10 + 5 =815.

Answer:

800 + 10 + 5 = eight hundred fifteen.

Explanation:

In the above-given question,

given that,

800 + 10 + 5.

8 x hundreds = 8 x 100.

8 x 100 = 800.

1 x tens = 1 x 10.

1 x 10 = 10.

5 x ones = 5 x 1.

5 x 1 = 5.

800 + 10 + 5 = 815.

815 = eight hundred fifteen.

Question 35.

800 + 5 = 805.

Answer:

800 + 5 = eight hundred five.

Explanation:

In the above-given question,

given that,

800 + 5.

8 x hundreds = 8 x 100.

8 x 100 = 800.

5 x ones = 5 x 1.

5 x 1 = 5.

800 + 5 = 805.

805 = eight hundred five.

Question 36.

200 + 30 + 7 = 237.

Answer:

200 + 30 + 7 = two hundred thirty seven.

Explanation:

In the above-given question,

given that,

200 + 30 + 7.

2 x hundreds = 2 x 100.

2 x 100 = 200.

3 x tens = 3 x 10.

3 x 10 = 30.

7 x ones = 7 x 1.

7 x 1 = 7.

200 + 30 + 7 = 237.

237 = two hundred thirty-seven.

Question 37.

200 + 7 = 207.

Answer:

200 + 7 = two hundred seven.

Explanation:

In the above-given question,

given that,

200 + 7.

2 x hundreds = 2 x 100.

2 x 100 = 200.

7 x ones = 7 x 1.

7 x 1 = 7.

200 + 7 = 207.

207 = two hundred seven.

Question 38.

600 + 40 + 2 =642.

Answer:

600 + 40 + 2 = six hundred forty two.

Explanation:

In the above-given question,

given that,

600 + 40 + 2.

6 x hundreds = 6 x 100.

6 x 100 = 600.

4 x tens = 4 x 10.

4 x 10 = 40.

2 x ones = 2 x 1.

2 x 1 = 2.

600 + 40 + 2 = 642.

642 = six hundred forty-two.

Question 39.

600 + 2 = 602.

Answer:

600 + 2 = six hundred two.

Explanation:

In the above-given question,

given that,

600 + 2.

6 x hundreds = 6 x 100.

6 x 100 = 600.

2 x ones = 2 x 1.

2 x 1 = 2.

600 + 2 = 602.

602 = six hundred two.

Question 40.

2 + 600 = 602.

Answer:

600 + 2 = six hundred two.

Explanation:

In the above-given question,

given that,

600 + 2.

6 x hundreds = 6 x 100.

6 x 100 = 600.

2 x ones = 2 x 1.

2 x 1 = 2.

600 + 2 = 602.

602 = six hundred two.

Question 41.

3 + 600 = 603.

Answer:

600 + 3 = six hundred three.

Explanation:

In the above-given question,

given that,

600 + 3.

6 x hundreds = 6 x 100.

6 x 100 = 600.

3 x ones = 3 x 1.

3 x 1 = 3.

600 + 3 = 603.

603 = six hundred three.

Question 42.

3 + 40 + 600 = 643.

Answer:

600 + 40 + 3 = six hundred forty three.

Explanation:

In the above-given question,

given that,

600 + 40 + 3.

6 x hundreds = 6 x 100.

6 x 100 = 600.

4 x tens = 4 x 10.

4 x 10 = 40.

3 x ones = 3 x 1.

3 x 1 = 3.

600 + 40 + 3 = 643.

643 = six hundred forty-three.

Question 43.

5 + 10 + 800 =815.

Answer:

800 + 10 + 5 = eight hundred fifteen.

Explanation:

In the above-given question,

given that,

800 + 10 + 5.

8 x hundreds = 8 x 100.

8 x 100 = 800.

1 x tens = 1 x 10.

1 x 10 = 10.

5 x ones = 5 x 1.

5 x 1 = 5.

800 + 10 + 5 = 815.

815 = eight hundred fifteen.

Question 44.

9 + 20 + 700 =729.

Answer:

700 + 20 + 9 = seven hundred twenty nine.

Explanation:

In the above-given question,

given that,

700 + 20 + 9.

7 x hundreds = 7 x 100.

7 x 100 = 700.

2 x tens = 2 x 10.

2 x 10 = 20.

9 x ones = 9 x 1.

9 x 1 = 9.

700 + 20 + 9 = 729.

729 = seven hundred twenty-nine.

Eureka Math Grade 2 Module 3 Lesson 7 Problem Set Answer Key

Match Part 1

Match the word form or unit form with standard form. Problem A is done for you as an example.

Answer:

200 + 30 + 4 = two hundred thirty four.

Explanation:

In the above-given question,

given that,

200 + 30 + 4.

2 x hundreds = 2 x 100.

2 x 100 = 200.

3 x tens = 3 x 10.

3 x 10 = 30.

4 x ones = 4 x 1.

4 x 1 = 4.

200 + 30 + 4 = 234.

234 = two hundred thirty-four.

Answer:

300 + 70 + 4 = three hundred seventy four.

Explanation:

In the above-given question,

given that,

300 + 70 + 4.

3 x hundreds = 3 x 100.

3 x 100 = 300.

7 x tens = 7 x 10.

7 x 10 = 70.

4 x ones = 4 x 1.

4 x 1 = 4.

300 + 70 + 4 = 374.

374 = three hundred seventy-four.

Answer:

700 + 60 + 3 = seven hundred sixty three.

Explanation:

In the above-given question,

given that,

700 + 60 + 3.

7 x hundreds = 7 x 100.

7 x 100 = 700.

6 x tens = 6 x 10.

6 x 10 = 60.

3 x ones = 3 x 1.

3 x 1 = 3.

700 + 60 + 3 = 763.

763 = seven hundred sixty-three.

Match Part 2

Match all the ways of expressing each number.

Answer:

509 = five hundred nine.

Explanation:

In the above-given question,

given that,

write the number in different forms.

509 = five hundred nine.

500 + 9 = 509.

9 + 500 = 509.

Answer:

434 = four thirty-four.

Explanation:

In the above-given question,

given that,

write the number in different forms.

434 = four hundred thirty four.

400 + 30 + 4 = 434.

4 + 30 + 400 = 434.

Eureka Math Grade 2 Module 3 Lesson 7 Exit Ticket Answer Key

Question 1.

Write 342 in word form.

_____3 hundred forty___two._____

Answer:

300 + 40 + 2 = three hundred forty two.

Explanation:

In the above-given question,

given that,

300 + 40 + 2.

3 x hundreds = 3 x 100.

3 x 100 = 300.

4 x tens = 4 x 10.

4 x 10 = 40.

2 x ones = 2 x 1.

2 x 1 = 2.

300 + 40 + 2 = 342.

342 = three hundred forty-two.

Question 2.

Write in standard form.

a. Two hundred twenty-six ____266_______

Answer:

200 + 20 + 6 = two hundred twenty six.

Explanation:

In the above-given question,

given that,

200 + 20 + 6.

2 x hundreds = 2 x 100.

2 x 100 = 200.

2 x tens = 2 x 10.

2 x 10 = 20.

6 x ones = 6 x 1.

6 x 1 = 6.

200 + 20 + 6 = 226.

226 = two hundred twenty-six.

b. Eight hundred three ____803_________

Answer:

800 + 0 + 3 = eight hundred three.

Explanation:

In the above-given question,

given that,

800 + 0 + 3.

8 x hundreds = 8 x 100.

8 x 100 = 800.

3 x ones = 3 x 1.

3 x 1 = 3.

800 + 0 + 3 = 803.

803 = eight hundred three.

c. 5 hundreds + 56 ones ___556__________

Answer:

500 + 0 + 56.

Explanation:

In the above-given question,

given that,

500 + 0 + 56.

5 x hundreds = 5 x 100.

5 x 100 = 500.

56 x ones = 56 x 1.

56 x 1 = 56.

500 + 0 + 56 = 556.

556 = five hundred fifty-six.

d. 60 + 800 + 3 _____863.______________

Answer:

800 + 60 + 3.

Explanation:

In the above-given question,

given that,

800 + 60 + 3.

8 x hundreds = 8 x 100.

8 x 100 = 800.

3 x ones = 3 x 1.

3 x 1 = 3.

800 + 60 + 3 = 863.

863 = eight hundred sixty-three.

Question 3.

Write the value of 17 tens three different ways. Use the largest unit possible.

a. Standard form _______170_________

Answer:

170.

Explanation:

In the above-given question,

given that,

write the number in standard form.

17 tens = 17 x 10.

17 x 10 = 170.

b. Expanded form ____one__hundred__seventy._________

Answer:

one hundred seventy.

Explanation:

In the above-given question,

given that,

write the number in expanded form.

17 tens = 17 x 10.

17 x 10 = 170.

c. Unit form _____100 +__70._________________

Answer:

100 + 70 = 170.

Explanation:

In the above-given question,

given that,

write the number in unit form.

17 tens = 17 x 10.

17 x 10 = 170.

100 + 70 = 170.

Eureka Math Grade 2 Module 3 Lesson 7 Homework Answer Key

These are bundles of hundreds, tens, and ones. Write the standard form, expanded form, and word form for each number shown.

Question 1.

a. Standard Form ________741________________________________

Answer:

741.

Explanation:

In the above-given question,

given that,

write the number in standard form.

7 x 100 = 700

4 tens = 4 x 10.

4 x 10 = 40.

1 x 1 = 1.

700 + 40 + 1 = 741.

b. Expanded Form _______700__+__40__+__1._________________________

Answer:

seven hundred forty one.

Explanation:

In the above-given question,

given that,

write the number in expanded form.

700 + 40 + 1 = 741.

7 x 100 = 700.

4 x 10 = 40.

1 x 1 = 1.

c. Word Form ____one__hundred___seventy_______________________________

Answer:

100 + 70 = 170.

Explanation:

In the above-given question,

given that,

write the number in unit form.

17 tens = 17 x 10.

17 x 10 = 170.

100 + 70 = 170.

Question 2.

a. Standard Form ___560_______________________________________

Answer:

560.

Explanation:

In the above-given question,

given that,

write the number in standard form.

60 tens = 6 x 10.

6 x 10 = 60.

5 x 100 = 500.

500 + 60 = 560.

b. Expanded Form ____five hundred___sixty._____________________

Answer:

five hundred sixty.

Explanation:

In the above-given question,

given that,

write the number in expanded form.

6 tens = 6 x 10.

6 x 10 = 60

5 x 100 = 500.

500 + 60 = 560.

c. Word Form ____500__+__60.______________

Answer:

500 + 60 = 560.

Explanation:

In the above-given question,

given that,

write the number in unit form.

6 tens = 6 x 10.

6 x 10 = 60.

5 x 100 =500.

500 + 60 = 560.

Question 3.

What is the unit value of the 3 in 432? _______30_______________________

Answer:

The value of 3 in 432 = 30.

Explanation:

In the above-given question,

given that,

3 x 10 = 30.

the value of 3 in 432 is 30.

3 is located in tens place.

Question 4.

What is the unit value of the 6 in 216? ___________6___________________

Answer:

The value of 6 in 216 = 6.

Explanation:

In the above-given question,

given that,

6 x 1 = 6.

the value of 6 in 216 is 6.

6 is located in ones place.

Question 5.

Write 212, 221, 122 in order from greatest to least.

_______221______ ____212_________ ____122_________

Answer:

221, 212, and 122.

Explanation:

In the above-given question,

given that,

the numbers from greatest to least are 221, 212, 122.