## Engage NY Eureka Math 2nd Grade Module 5 Lesson 13 Answer Key

### Eureka Math Grade 2 Module 5 Lesson 13 Problem Set Answer Key

Question 1.
Solve using mental math.
a. 8 – 6 = __2___Â  Â  Â  Â  Â  Â  Â 80 – 60 = __20___Â  Â  Â  Â  Â  Â  Â  180 – 60 = __120__Â  Â  Â  Â  Â  Â  Â  180 – 59 = __121__

8-6 = 2.
80 – 60 = 20.
180 – 60 = 120.
180Â  – 59 = 121.

Explanation:
In the above-given question,
given that,
solve using the mental math.
8-6 = 2.
80 – 60 = 20.
180 – 60 = 120.
180Â  – 59 = 121.

b. 6 – 3 = __3___ Â  Â  Â  Â  Â  Â  Â 60 – 30 = _30____ Â  Â  Â  Â  Â  Â  Â 760 – 30 = __730__ Â  Â  Â  Â  Â  Â  Â 760 – 28 = __732__

6 – 3 = 3.
60 – 30 = 30.
760 – 30 = 730.
760 – 28 = 732.

Explanation:
In the above-given question,
given that,
solve using the mental math.
6 – 3 = 3.
60 – 30 = 30.
760 – 30 = 730.
760 – 28 = 732.

Question 2.
Solve using mental math or vertical form with place value disks. Check your work using addition.
a. 138 – 17 =Â  Â 121Â  Â

138 – 17 = 121.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
138 – 17.
138 – 17 = 121.
121 + 17 = 138.

b. 138 – 19 = _______

138 – 19 = 119.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
138 – 19.
138 – 19 = 119.
119 + 19 = 138.

c. 445 – 35 = _______

445 – 35 = 410.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
445 – 35.
445 – 35 = 410.
410 + 35 = 445.

d. 445 – 53 = _______

445 – 53 = 392.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
445 – 53.
445 – 53 = 392.
392 + 53 = 445.

e. 863 – 170 = _______

863 – 170 = 693.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
863 – 170.
863 – 170 = 693.
693 + 170 = 863.

f. 845 – 152 = _______

845 – 152 = 693.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
845 – 152.
845 – 152 = 693.
693 + 152 = 845.

g. 472 – 228 = _______

472 – 228 = 144.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
472 – 228.
472 – 228 = 144.
144 + 228 = 472.

h. 418 – 274 = _______

418 – 274 = 144.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
418 – 274.
418 – 274 = 144.
144 + 274 = 418.

i. 567 – 184 = _______

567 – 184 = 383.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
567 – 184.
567 – 184 = 383.
383 + 184 = 567.

j. 567 – 148 = _______

567 – 148 = 319.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
567 – 148.
567 – 148 = 319.
319 + 148 = 567.

Eureka Math Grade 2 Module 5 Lesson 13 Exit Ticket Answer Key

Solve using mental math or vertical form with place value disks. Check your work using addition.

Question 1.
378 – 117 = _______

378 – 117 = 261.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
378 – 117.
378 – 117 = 261.
261 + 117 = 378.

Question 2.
378 – 119 = _______

378 – 119 = 159.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
378 – 119.
378 – 119 = 159.
159 + 119 = 378.

Question 3.
853 – 433 = _______

853 – 433 = 420.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
853 – 433.
853 – 433 = 420.
420 + 433 = 853.

Question 4.
853 – 548 = _______

853 – 548 = 205.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
853 – 548.
853 – 548 = 205.
205 + 548 = 853.

### Eureka Math Grade 2 Module 5 Lesson 13 Homework Answer Key

Question 1.
Solve using mental math.
a. 9 – 5 = __4_____Â  Â  Â  Â  Â  Â  Â  90 – 50 = __40_____Â  Â  Â  Â  Â  Â  Â  190 – 50 = __140____Â  Â  Â  Â  Â  Â  Â  190 – 49 = __141_____

9 – 5 = 4.
90 – 50 = 40.
190 – 50 = 140.
190 – 49 = 141.

Explanation:
In the above-given question,
given that,
solve using mental math.
9 – 5 = 4.
90 – 50 = 40.
190 – 50 = 140.
190 – 49 = 141.

b. 7 – 4 = _____Â  Â  Â  Â  Â  Â  Â  70 – 40 = _______Â  Â  Â  Â  Â  Â  Â  370 – 40 = _______Â  Â  Â  Â  Â  Â  Â  370 – 39 = ________

7 – 4 = 3.
70 – 40 = 30.
370 – 40 = 330.
370 – 39 = 331.

Explanation:
In the above-given question,
given that,
solve using mental math.
7 – 4 = 3.
70 – 40 = 30.
370 – 40 = 330.
370 – 39 = 331.

Question 2.
Solve using mental math or vertical form with place value disks. Check your work using addition.
a. 153 – 31 =Â  Â 122Â  Â

153 – 31 = 122.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
153 – 31.
153 – 31 = 122.
122 + 31 = 153.

b. 153 – 38 = _______

153 – 38 = 115.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
153 – 38.
153 – 38 = 115.
115 + 38 = 153.

c. 362 – 49 = _______

362 – 49 = 213.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
362 – 49.
362 – 49 = 213.
213 + 49 = 362.

d. 485 – 177 = _______

485 – 177 = 208.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
485 – 177.
485 – 177 = 208.
208 + 177 = 485.

e. 753 – 290 = _______

753 – 290 = 463.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
753 – 290.
753 – 290 = 463.
463 + 290 = 753.

f. 567 – 290 = _______

567 – 290 = 277.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
567 – 290.
567 – 290 = 277.
277 + 290 = 567.

g. 873 – 428 = _______

873 – 428 = 345.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
873 – 428.
873 – 428 = 345.
345 + 428 = 873.

h. 817 – 565 = _______

817 – 565 = 252.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
817 – 565.
817 – 565 = 252.
252 + 565 = 817.

i. 973 – 681 = _______

973 – 681 = 292.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
973 – 681.
973 – 681 = 292.
292 + 681 = 973.

j. 748 – 239 = _______

748 – 239 = 409.

Explanation:
In the above-given question,
given that,
solve using mental math or vertical form with place value disks.
748 – 239.
749 – 239 = 409.
409 + 239 = 749.

Question 3.
Complete the number sentence modeled by place value disks.