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Engage NY Eureka Math 2nd Grade Module 4 Lesson 2 Answer Key
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Eureka Math Grade 2 Module 4 Lesson 2 Problem Set Answer Key
Question 1.
Solve using place value strategies. Use your personal white board to show the arrow way or number bonds, or just use mental math, and record your answers.
a. 5 tens + 3 tens = ___8___ tens
50 + 30 = __80____
Answer:
50 + 30 = 80.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
5 tens + 3 tens.
5 tens = 5 x 10.
3 tens = 3 x 10.
50 + 30 = 80.
2 tens + 7 tens = ____9__ tens
20 + 70 = ___90___
Answer:
20 + 70 = 90.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
2 tens + 7 tens.
2 tens = 2 x 10.
7 tens = 7 x 10.
20 + 70 = 90.
b. 24 + 30 = _54____ 50 + 24 = __74___ 14 + 50 = __64___
Answer:
24 + 30 = 54.
50 + 24 = 74.
14 + 50 = 64.
Explanation:
In the above-given question,
given that,
24 + 30, 50 + 24, 14 + 50.
24 + 30 = 54.
50 + 24 = 74.
14 + 50 = 64.
c. 20 + 37 = __57___ 37 + 40 = __77___ 60 + 27 = ___87__
Answer:
20 + 37 = 57.
37 + 40 = 77.
60 + 27 = 87.
Explanation:
In the above-given question,
given that,
20 + 37, 37 + 40, 60 + 27.
20 + 37 = 57.
37 + 40 = 77.
60 + 27 = 87.
d. 57 + ___30__ = 87 __40___ + 34 = 74 19 + __50___ = 69
Answer:
57 + 30 = 87.
40 + 34 = 74.
19 + 50 = 69.
Explanation:
In the above-given question,
given that,
57 + 30, 40 + 34, 19 + 50.
57 + 30 = 87.
40 + 34 = 74.
19 + 50 = 69.
e. ___30__ + 56 = 86 38 + ___40__ = 78 12 + __50___ = 72
Answer:
56 + 30 = 86.
40 + 38 = 78.
12 + 50 = 72.
Explanation:
In the above-given question,
given that,
30 + 56 = 86, 38 + 40 = 78, 12 + 50 = 72.
56 + 30 = 86.
40 + 38 = 78.
12 + 50 = 72.
Question 2.
Solve using place value strategies.
a. 8 tens – 2 tens = __6___ tens
80 – 20 = __60___
Answer:
80 – 20 = 60.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
8 tens – 2 tens.
8 tens = 8 x 10.
2 tens = 2 x 10.
80 – 20 = 60.
7 tens – 3 tens = __4___ tens
70 – 30 = __40___
Answer:
70 – 30 = 40.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
7 tens – 3 tens.
7 tens = 7 x 10.
3 tens = 3 x 10.
70 – 30 = 40.
b. 78 – 40 = __38___ 56 – 30 = _26____ 88 – 50 = __38___
Answer:
78 – 40 = 38.
56 – 30 = 26.
88 – 50 = 38.
Explanation:
In the above-given question,
given that,
78 – 40, 56 – 30, 88 – 50.
78 – 40 = 38.
56 – 30 = 26.
88 – 50 = 38.
c. 84 – __60__ = 24 57 – __50__ = 37 93 – __50__ = 43
Answer:
84 – 60 = 24.
57 – 50 = 37.
93 – 50 = 43.
Explanation:
In the above-given question,
given that,
84 – 60, 57 – 50, 93 – 50.
84 – 60 = 24.
57 – 50 = 37.
93 – 50 = 43.
d. 83 – _60___ = 23 54 – ___20_ = 34 91 – __50__ = 41
Answer:
83 – 60 = 23.
54 – 20 = 34.
91 – 50 = 41.
Explanation:
In the above-given question,
given that,
83 – 60, 54 – 20, 91 – 50.
83 – 60 = 23.
54 – 20 = 34.
91 – 50 = 41.
Question 3.
Solve.
a. 39 + ____30__ = 69
Answer:
39 + 30 = 69.
Explanation:
In the above-given question,
given that,
39 + 30 = 69.
3 tens + 9 ones.
3 tens = 30.
39 + 30 = 69.
b. 8 tens 7 ones – 3 tens = ___57____
Answer:
87 – 30 = 57.
Explanation:
In the above-given question,
given that,
87 – 30 = 57.
8 tens + 7 ones.
3 tens = 30.
87 – 30 = 57.
c. ___2 tens___ + 5 tens = 7 tens
Answer:
20 + 50 = 70.
Explanation:
In the above-given question,
given that,
20 + 50 = 70.
2 tens + 5 tens.
7 tens = 70.
20 + 50 = 70.
d. __3_tens___ + 5 tens 6 ones = 8 tens 6 ones
Answer:
56 + 30 = 86.
Explanation:
In the above-given question,
given that,
56 + 30 = 86.
5 tens + 6 ones.
3 tens = 30.
56 + 30 = 86.
e. 48 ones – 2 tens = __2___ tens __8___ ones
Answer:
48 – 20 = 28.
Explanation:
In the above-given question,
given that,
48 – 20 = 28.
4 tens + 8 ones.
2 tens = 20.
48 – 28 = 20.
Question 4.
Mark had 78 puzzle pieces. He lost 30 pieces. How many pieces does Mark have left? Use the arrow way to show your simplifying strategy.
Answer:
The number of pieces does Mark has left = 48 pieces.
Explanation:
In the above-given question,
given that,
Mark had 78 puzzle pieces.
He lost 30 pieces.
78 – 30.
48.
so the number of pieces does Mark has left = 48 pieces.
Eureka Math Grade 2 Module 4 Lesson 2 Exit Ticket Answer Key
Fill in the missing number to make each statement true.
Question 1.
50 + 20 = _70____
Answer:
50 + 20 = 70.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
5 tens + 2 tens.
5 tens = 5 x 10.
2 tens = 2 x 10.
50 + 20 = 70.
Question 2.
4 tens + 3 tens = __7___ tens
Answer:
40 + 30 = 70.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
4 tens + 3 tens.
4 tens = 4 x 10.
3 tens = 3 x 10.
40 + 30 = 70.
Question 3.
7 tens – ___2__ tens = 5 tens
Answer:
70 – 20 = 50.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
7 tens – 2 tens.
7 tens = 7 x 10.
2 tens = 2 x 10.
70 – 20 = 50.
Question 4.
___83__ – 20 = 63
Answer:
83 – 20 = 63.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
8 tens – 2 tens.
8 tens = 8 x 10.
2 tens = 2 x 10.
80 – 20 = 63.
Question 5.
6 tens + 1 ten 4 ones = 9 tens 4 ones – __2___ tens
Answer:
94 – 20 = 74.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
9 tens + 4 tens.
9 tens = 9 x 10.
2 tens = 2 x 10.
90 – 20 = 70.
Eureka Math Grade 2 Module 4 Lesson 2 Homework Answer Key
Question 1.
Solve using place value strategies. Use scrap paper to show the arrow way or number bonds, or just use mental math, and record your answers.
| a. 2 tens + 3 tens = __5___ tens 20 + 30 = __50___ 2 tens 4 ones + 3 tens = _5_ tens _4_ ones 24 + 30 = __54___ |
b. 5 tens + 4 tens = __9___ tens 50 + 40 = _90____ 5 tens 9 ones + 4 tens = _9_ tens _9_ ones 59 + 40 = __99__ |
Answer:
20 + 30 = 50.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
2 tens + 3 tens.
2 tens = 2 x 10.
3 tens = 3 x 10.
20 + 30 = 50.
Answer:
50 + 40 = 90.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
5 tens + 4 tens.
5 tens = 5 x 10.
4 tens = 4 x 10.
50 + 40 = 90.
c. 28 + 40 = _____ 18 + 30 = _____ 60 + 38 = _____
Answer:
28 + 40 = 68.
18 + 30 = 48.
60 + 38 = 98.
Explanation:
In the above-given question,
given that,
28 + 40, 18 + 30, 60 + 38.
28 + 40 = 68.
18 + 30 = 48.
60 + 38 = 98.
d. 30 + 25 = __55___ 35 + 50 = _85____ 15 + 20 = _35____
Answer:
30 + 25 = 55.
35 + 50 = 85.
15 + 20 = 35.
Explanation:
In the above-given question,
given that,
30 + 25, 35 + 50, 15 + 20.
30 + 25 = 55.
35 + 50 = 85.
15 + 20 = 35.
e. 37 + __10___ = 47 ___30__ + 27 = 57 17 + ___70__ = 87
Answer:
37 + 10 = 47.
30 + 27 = 57.
17 + 70 = 87.
Explanation:
In the above-given question,
given that,
37 + 10, 30 + 27, 17 + 70.
37 + 10 = 47.
30 + 27 = 57.
17 + 70 = 87.
f. __40___ + 22 = 62 29 + __50___ = 79 11 + ___80__ = 91
Answer:
37 + 10 = 47.
30 + 27 = 57.
17 + 70 = 87.
Explanation:
In the above-given question,
given that,
37 + 10, 30 + 27, 17 + 70.
37 + 10 = 47.
30 + 27 = 57.
17 + 70 = 87.
Question 2.
Find each sum. Then use >, <, or = to compare.
a. 23 + 40 ___>__ 20 + 33
Answer:
63 > 53.
Explanation:
In the above-given question,
given that,
find each sum and compare.
23 + 40 = 63.
20 + 33 = 53.
63 > 53.
b. 50 + 18 ___=__ 48 + 20
Answer:
68 = 68.
Explanation:
In the above-given question,
given that,
find each sum and compare.
50 + 18 = 68.
20 + 48 = 68.
68 = 68.
c. 19 + 60 __>___ 39 + 30
Answer:
79 > 69.
Explanation:
In the above-given question,
given that,
find each sum and compare.
19 + 60 = 79.
30 + 39 = 69.
79 > 69.
d. 64 + 10 __<___ 49 + 20
Answer:
74 < 69.
Explanation:
In the above-given question,
given that,
find each sum and compare.
64 + 10 = 74.
49 + 20 = 69.
74 < 69.
e. 70 + 21 _,<____ 18 + 80
Answer:
91 < 98.
Explanation:
In the above-given question,
given that,
find each sum and compare.
21 + 70 = 91.
80 + 18 = 98.
91 < 98.
f. 35 + 50 __<___ 26 + 60
Answer:
85 < 86.
Explanation:
In the above-given question,
given that,
find each sum and compare.
35 + 50 = 85.
26 + 60 = 86.
85 < 86.
Question 3.
Solve using place value strategies.
| a. 6 tens – 2 tens = __4_ tens 60 – 20 = __40__6 tens 3 ones – 3 tens = _3_ tens _3_ ones 63 – 30 = __33___ |
b. 8 tens – 5 tens = _3__ tens 80 – 50 = __30__8 tens 9 ones – 5 tens = _3_ tens _9_ ones 89 – 50 = _39___ |
Answer:
60 – 20 = 40.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
6 tens – 2 tens.
6 tens = 6 x 10.
2 tens = 2 x 10.
60 – 20 = 40.
Answer:
80 – 50 = 30.
Explanation:
In the above-given question,
given that,
solve using place value strategies.
8 tens – 5 tens.
8 tens = 8 x 10.
5 tens = 5 x 10.
80 – 50 = 30.
c. 55 – 20 = _35____ 75 – 30 = __45___ 85 – 50 = _35____
Answer:
55 – 20 = 35.
75 – 30 = 45.
85 – 50 = 35.
Explanation:
In the above-given question,
given that,
55-20, 75 – 30, 85 – 50.
55 – 20 = 35.
75 – 30 = 45.
85 – 50 = 35.
d. 72 – __50__ = 22 49 – __30__ = 19 88 – __60__ = 28
Answer:
72 – 50 = 22.
49 – 30 = 19.
88 – 60 = 28.
Explanation:
In the above-given question,
given that,
72 – 50, 49 – 30, 88 – 60.
72 – 50 = 22.
49 – 30 = 19.
88 – 60 = 28.
e. 67 – __20__ = 47 71 – _20___ = 51 99 – ___30_ = 69
Answer:
67 – 20 = 47.
71 – 20 = 51.
99 – 30 = 69.
Explanation:
In the above-given question,
given that,
67 – 20, 71 – 20, 99 – 30.
67 – 20 = 47.
71 – 20 = 51.
99 – 30 = 69.
Question 4.
Complete each more than or less than statement.
a. 20 less than 58 is ___38___.
Answer:
58 – 20 = 38.
Explanation:
In the above-given question,
given that,
20 less than 58.
58 – 20 = 38.
b. 36 more than 40 is ___76.___.
Answer:
36 + 40 = 76.
Explanation:
In the above-given question,
given that,
36 more than 40.
36 + 40 = 76.
c. 40 less than _20____ is 28.
Answer:
40 – 20 = 28.
Explanation:
In the above-given question,
given that,
40 less than 20.
40 – 20 = 28.
d. 50 more than ___14___ is 64.
Answer:
14 + 50 = 64.
Explanation:
In the above-given question,
given that,
50 more than 14.
14 + 50 = 64.
Question 5.
There were 68 plates in the sink at the end of the day. There were 40 plates in the sink at the beginning of the day. How many plates were added throughout the day? Use the arrow way to show your simplifying strategy.
Answer:
The number of plates added throughout the day = 28 plates.
Explanation:
In the above-given question,
given that,
There were 68 plates in the sink at the end of the day.
There were 40 plates in the sink at the beginning.
40 + 28 = 68.
68 – 40 = 28.