## Engage NY Eureka Math 2nd Grade Module 5 Lesson 20 Answer Key

### Eureka Math Grade 2 Module 5 Lesson 20 Problem Set Answer Key

Question 1.
399 + 237 = _________

399 + 237 = 636.

Explanation:
In the above-given question,
given that,
solve the problem using two different strategies.
399 + 237.
I solved using the number bond.
my friend solved using the arrow way.
3 hundreds = 300.
9 tens = 90.
9 ones = 9.
300 + 90 + 9 = 399.
2 hundred = 200.
3 tens = 30.
7 ones = 7.
200 + 30 + 7 = 237.
399 + 237 = 636.

Question 2.
400 – 298 = ________

400 – 298 = 102.

Explanation:
In the above-given question,
given that,
solve the problem using two different strategies.
400 – 298.
I solved using the number bond.
my friend solved using the place value strategies.
4 hundred = 400.
2 hundred = 200.
9 tens = 90.
8 ones = 8.
200 + 90 + 8 = 298.
400 – 298 = 102.

Question 3.
548 + 181 = _________

548 + 181 = 729.

Explanation:
In the above-given question,
given that,
solve the problem using two different strategies.
548 + 181.
I solved using the number bond.
my friend solved using the place value strategies.
5 hundred = 500.
4 tens = 40.
8 ones = 8.
500 + 40 + 8 = 548.
1 hundred = 100.
8 tens = 80.
1 one = 1.
100 + 80 + 1 = 181.
548 + 181 = 729.

Question 4.
360 + ______ = 754

754 – 360 = 394.

Explanation:
In the above-given question,
given that,
solve the problem using two different strategies.
394 + 360.
I solved using the number bond.
my friend solved using the place value strategies.
3 hundred = 300.
6 tens = 60.
300 + 60 = 360.
3 hundred = 300.
9 tens = 90.
4 ones = 4.
300 + 90 + 4 = 394.
394 + 360 = 754.

Question 5.
862 – ______ = 690

862 – 172 = 690.

Explanation:
In the above-given question,
given that,
solve the problem using two different strategies.
862 – 172.
I solved using the number bond.
my friend solved using the place value strategies.
8 hundred = 800.
6 tens = 60.
2 ones = 2.
800 + 60 + 2 = 862.
1 hundred = 100.
7 tens = 70.
2 ones = 2.
100 + 70 + 2 = 172.
862 – 172 = 690.

### Eureka Math Grade 2 Module 5 Lesson 20 Exit Ticket Answer Key

Solve each problem using two different strategies.

Question 1.
299 + 156 = _________

299 + 156 = 455.

Explanation:
In the above-given question,
given that,
solve the problem using two different strategies.
299 + 156.
1st strategy is the number bond.
2nd strategy solved using the place value strategies.
2 hundred = 200.
9 tens = 90.
9 ones = 9.
200 + 90 + 9 = 299.
1 hundred = 100.
5 tens = 50.
6 ones = 6.
100 + 50 + 6 = 156.
299 + 156 = 455.

Question 2.
547 + ______ = 841

547 + 294 = 841.

Explanation:
In the above-given question,
given that,
solve the problem using two different strategies.
547 + 294.
1st strategy is the number bond.
2nd strategy solved using the place value strategies.
5 hundred = 500.
4 tens = 40.
7 ones = 7.
500 + 40 + 7 = 547.
2 hundred = 200.
9 tens = 90.
4 ones = 4.
200 + 90 + 4 = 294.
547 + 294 = 841.

### Eureka Math Grade 2 Module 5 Lesson 20 Homework Answer Key

Question 1.
456 + 244 = _________

456 + 244 = 700.

Explanation:
In the above-given question,
given that,
solve the problem using two different strategies.
456 + 244.
1st strategy is the number bond.
2nd strategy solved using the place value strategies.
4 hundred = 400.
5 tens = 50.
6 ones = 6.
400 + 50 + 6 = 456.
2 hundred = 200.
4 tens = 40.
4 ones = 4.
200 + 40 + 4 = 244.
456 + 244 = 700.

Question 2.
698 + ______ = 945

698 + 247 = 945.

Explanation:
In the above-given question,
given that,
solve the problem using two different strategies.
698 + 247.
1st strategy is the number bond.
2nd strategy solved using the place value strategies.
6 hundred = 600.
9 tens = 90.
8 ones = 8.
600 + 90 + 8 = 698.
698 + 247 = 945.

Circle a strategy to solve, and explain why you chose that strategy.

Question 3.
257 + 160 = _____
a. Arrow way or vertical form

 b. Solve Explanation: __________________________ __________________________ __________________________ __________________________

257 + 160 = 317.

Explanation:
In the above-given question,
given that,
solve the problem using arrow way or vertical form.
2 hundred = 200.
5 tens = 50.
7 ones = 7.
200 + 50 + 7 = 257.
1 hundred = 100.
6 tens = 60.
100 + 60 = 160.
257 – 160 = 317.

Question 4.
754 – 597 = _____

754 – 597 = 157.

Explanation:
In the above-given question,
given that,
solve the problem using arrow way or vertical form.
7 hundred = 700.
5 tens = 50.
4 ones = 4.
700 + 50 + 4 = 754.
5 hundred = 500.
9 tens = 90.
7 ones = 7.
500 + 90 + 7 = 597.
754 – 597 = 157.

a. Number bond or arrow way

 b. Solve Explanation: __________________________ __________________________ __________________________ __________________________

754 – 597 = 157.

Explanation:
In the above-given question,
given that,
solve the problem using arrow way or number bond.
7 hundred = 700.
5 tens = 50.
4 ones = 4.
700 + 50 + 4 = 754.
5 hundred = 500.
9 tens = 90.
7 ones = 7.
500 + 90 + 7 = 597.
754 – 597 = 157.

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