Engage NY Eureka Math 2nd Grade Module 5 End of Module Assessment Answer Key
Eureka Math Grade 2 Module 5 End of Module Assessment Answer Key
Question 1.
Solve each problem with a written strategy such as a tape diagram, a number bond, the arrow way, the vertical form, or chips on a place value chart.
a. 460 + 200 = _______
Answer:
460 + 200 = 660.
Explanation:
In the above-given question,
given that,
solve each problem with a written strategy such as tape diagram, a number bond.
460 + 200.
460 = 450 + 10.
200 + 10 = 210.
210 + 450 = 660.
b. _______ = 865 – 300
Answer:
865 – 300 = 565.
Explanation:
In the above-given question,
given that,
solve each problem with a written strategy such as tape diagram, a number bond.
865 – 300.
865 = 860 + 5.
300 + 5 = 305.
860 – 305 = 565.
c. _______ + 400 = 598
Answer:
198 + 400 = 598.
Explanation:
In the above-given question,
given that,
solve each problem with a written strategy such as tape diagram, a number bond.
198 + 400.
400 = 398 + 2.
198 + 2 = 200.
200 + 398 = 598.
d. 240 – 190 = _______
Answer:
240 – 190 = 50.
Explanation:
In the above-given question,
given that,
solve each problem with a written strategy such as tape diagram, a number bond.
240 – 190.
240 = 230 + 10.
190 + 10 = 200.
200 + 230 = 430.
e. _______ = 760 – 280
Answer:
760 – 280 = 480.
Explanation:
In the above-given question,
given that,
solve each problem with a written strategy such as tape diagram, a number bond.
760 – 280.
760 = 740 + 20.
280 + 20 = 300.
740 – 280 = 480.
f. 330 – 170 = _______
Answer:
330 – 170 = 160.
Explanation:
In the above-given question,
given that,
solve each problem with a written strategy such as tape diagram, a number bond.
330 – 170.
330 = 300 + 30.
170 + 30 = 200.
200 – 360 = 160.
Question 2.
Use the arrow way to fill in the blanks and solve. Use place value drawings if that will help you.
a.
Answer:
630 – 400 = 230.
230 + 10 = 240.
630 – 240 = 390.
Explanation:
In the above-given question,
given that,
use the arrow way to fill in the blanks.
630 – 400 = 230.
230 + 10 = 240.
630 – 240 = 390.
b.
Answer:
570 – 300 = 270.
270 + 20 = 290.
570 – 280 = 290.
Explanation:
In the above-given question,
given that,
use the arrow way to fill in the blanks.
570 – 300 = 270.
270 + 20 = 290.
570 – 280 = 290.
c.
Answer:
958 – 400 = 558.
558 – 40 = 518.
958 – 440 = 518.
Explanation:
In the above-given question,
given that,
use the arrow way to fill in the blanks.
958 – 400 = 558.
558 – 40 = 518.
958 – 440 = 518.
Question 3.
Solve.
Draw a place value chart with chips to model the problems. Show a written subtraction method to check your work.
a. 756 + 136 = ______
Subtraction number sentence:
Answer:
756 + 136 = 892.
Explanation:
In the above-given question,
given that,
draw a place value chart with chips to model the problems.
show a written subtraction method to check your work.
756 + 136 = 892.
892 – 136 = 756.
b. 267 + 545 = ______
Subtraction number sentence:
Answer:
267 + 545 = 812.
Explanation:
In the above-given question,
given that,
draw a place value chart with chips to model the problems.
show a written subtraction method to check your work.
267 + 545 = 812.
812 – 545 = 267.
Draw a place value chart with chips to model the problems. Show a written addition method to check your work.
c. 617 – 229 = ______
Check:
Answer:
617 – 229 = 398.
Explanation:
In the above-given question,
given that,
draw a place value chart with chips to model the problems.
show a written addition method to check your work.
617 – 229 = 398.
398 + 229 = 617.
d. 700 – 463 = ______
Check:
Answer:
700 – 463 = 437.
Explanation:
In the above-given question,
given that,
draw a place value chart with chips to model the problems.
show a written addition method to check your work.
700 – 463 = 437.
437 + 463 = 700.
Question 4.
Find the missing numbers to make each statement true. Show your strategy to solve.
a. 300 – 106 = ________
Answer:
300 – 106 = 194.
Explanation:
In the above-given question,
given that,
find the missing numbers to make each statement true.
300 – 106 = 194.
194 + 106 = 300.
b. ________ = 407 – 159
Answer:
407 – 159 = 248.
Explanation:
In the above-given question,
given that,
find the missing numbers to make each statement true.
407 – 159 = 248.
248 + 159 = 407.
c. 410 – 190 = 420 – ___200_____
Answer:
410 – 190 = 220.
Explanation:
In the above-given question,
given that,
find the missing numbers to make each statement true.
410 – 190 = 220.
220 + 190 = 410.
d. 750 – 180 = ________ – 200
Answer:
750 – 180 = 570.
Explanation:
In the above-given question,
given that,
find the missing numbers to make each statement true.
750 – 180 = 570.
770 – 200 = 570.
570 + 180 = 750.
e. 900 – ________ = 600 – 426
Answer:
600 – 426 = 174.
Explanation:
In the above-given question,
given that,
find the missing numbers to make each statement true.
600 – 426 = 174.
174 + 426 = 600.
Question 5.
Martha answered the problem 456 – 378 incorrectly. She does not understand her mistake.
a. Explain to Martha what she did wrong using place value language.
Explanation:
________________________________________
________________________________________
________________________________________
Answer:
456 – 378 = 78.
Explanation:
In the above-given question,
given that,
Martha answered the problem incorrectly.
456 – 378.
4 hundred = 400.
5 tens = 50.
6 ones = 6.
400 + 50 + 6 = 456.
3 hundred = 300.
7 tens = 70.
8 ones = 8.
300 + 70 + 8 = 378.
456 – 378 = 78.
b. Model an alternative strategy for 456 – 378 to help Martha avoid making this mistake again.
Answer:
456 – 378 = 78.
Explanation:
In the above-given question,
given that,
456 = 454 + 2.
378 + 2 = 380.
454 – 380 = 78.