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

### 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

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. A. 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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 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.

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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. 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.

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.

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. 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.

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._____

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_______

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_________

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__________

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.______________

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_________

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._________

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._________________

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.

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________________________________

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._________________________

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_______________________________

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_______________________________________

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._____________________

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.______________

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_______________________

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___________________

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_________