## Engage NY Eureka Math 2nd Grade Module 1 Lesson 6 Answer Key

### Eureka Math Grade 2 Module 1 Lesson 6 Problem Set Answer Key

Question 1.
Solve

a.

10 – 9 = 1
10 + 1 = 11
10 – 9  = 1,
10 + 1 = 11,
So 20 – 9 = 11,

Explanation:
Solved 10 – 9 as substracting 9 from 10
we will get 1 and adding 1 to 10 we will get 11,
therefore 20 – 9 = 11.

b. 30 – 9 = __21___
10 – 9 = 1,
20 + 1 = 21,
So 30 – 9 = 21,

Explanation:
Solved 10 – 9 as substracting 9 from 10
we will get 1 and adding 1 to 20 we will get 21,
therefore 30 – 9 = 21.

c. 20 – 8 = _12____
10 – 8 = 2,
10 + 2 = 12,
So 20 – 8 = 12,

Explanation:
Solved 10 – 8 as substracting 8 from 10
we will get 2 and adding 2 to 10 we will get 12,
therefore 20 – 8 = 12.

d. 30 – 7 = __23___
10 – 7 = 3,
20 + 3 = 23,
So 30 – 7 = 23,

Explanation:
Solved 10 – 7 as substracting 7 from 10
we will get 3 and adding 3 to 20 we will get 23,
therefore 30 – 7 = 23.

e. 40 – 7 = __33___
10 – 7 = 3,
30 + 3 = 33,
So 40 – 7 = 33,

Explanation:
Solved 10 – 7 as substracting 7 from 10
we will get 3 and adding 3 to 30 we will get 33,
therefore 40 – 7 = 33.

f. 50 – 6 = __44___
10 – 6 = 4,
40 + 4 = 44,
So 50 – 6 = 44,

Explanation:
Solved 10 – 6 as substracting 6 from 10
we will get 4 and adding 4 to 40 we will get 44,
therefore 50 – 6 = 44.

g. 80 – 6 = __74___
10 – 6 = 4,
70 + 4 = 74,
So 80 – 6 = 74,

Explanation:
Solved 80 – 6 as substracting 6 from 10
we will get 4 and adding 4 to 70 we will get 74,
therefore 80 – 6 = 74.

h. 90 – 5 = __85___
10 – 5 = 5,
80 + 5 = 85,
So 90 – 5 = 85,

Explanation:
Solved 10 – 5 as substracting 5 from 10
we will get 5 and adding 5 to 80 we will get 85,
therefore 90 – 5 = 85.

i. 70 – 4 = __66___
10 – 4 = 6,
60 + 6 = 66,
So 70 – 4 = 66,

Explanation:
Solved 10 – 4 as substracting 4 from 10
we will get 6 and adding 6 to 60 we will get 66,
therefore 70 – 4 = 66.

j. 60 – 2 = __58___
10 – 2 = 8,
50 + 8 = 58,
So 60 – 2 = 58,

Explanation:
Solved 10 – 2 as substracting 2 from 10
we will get 8 and adding 8 to 50 we will get 58,
therefore 60 – 2 = 58.

Question 2.
Fill in the number bond and solve.

10 – 9 = 1,
80 + 1 = 81,
So 90 – 9 = 81,

Explanation:
Solved 10 – 9 as substracting 9 from 10
we will get 1 and adding 1 to 80 we will get 81,
therefore 90 – 9 = 81.

Question 3.
Show how 10 – 6 helps you solve 50 – 6.

10 – 6 = 4,
40 + 4 = 44,
So 10 – 6 helps to solve 50 – 6 = 44,

Explanation:
Given to solve 50 – 6, first we divide
50 as 40 and 10 as 40 + 10 = 50,
now we substract 10 – 6 = 4, now we add
this 4 with 40 we will get 44, So we used
10 – 6 to solve 50 – 6 = 44 as shown above.

Question 4.
Carla has 70 paper clips.
She gives 6 away.
How many paper clips does Carla have left?
Carla has __64___ paper clips left.
Carla has 64 paper clips left,

Explanation:
Given Carla has 70 paper clips, She gives 6 away.
So number of paper clips does Carla have left are
70 – 6 = 64 paper clips.

### Eureka Math Grade 2 Module 1 Lesson 6 Exit Ticket Answer Key

Solve.

Question 1.
70 – 4 = _66____
10 – 4 = 6,
60 + 6 = 66,
So 70 – 4 = 66,

Explanation:
Solved 10 – 4 as substracting 4 from 10
we will get 6 and adding 6 to 60 we will get 66,
therefore 70 – 4 = 66.

Question 2.
60 – 3 = __57___
10 – 3 = 7,
50 + 7 = 57,
So 60 – 3 = 57,

Explanation:
Solved 10 – 3 as substracting 3 from 10
we will get 7 and adding 7 to 50 we will get 57,
therefore 60 – 3 =  57.

### Eureka Math Grade 2 Module 1 Lesson 6 Homework Answer Key

Question 1.
Take out ten.

30 – 10 = 20,
40 – 10 = 30,
50 – 10 = 40,
70 – 10 = 60,
60 – 10 = 50,
80 – 10 = 70,

Explanation:
Given to take out ten from 40,
So 40 – 10 = 30, so 40 = 30 +10,
taking 10 from 50 we get 40, 10 as
50 = 40 + 10, taking 10 from 70 we get
60, 10 as 70 = 60 + 10, taking 10 from 60
we get 50, 10 as 50 + 10 = 60 and taking 10
from 80 we get 70, 10 as 80 = 70 + 10 as shown above.

Question 2.
Solve.
10 – 1 = ____9_______
10 – 4 = ____6_______
10 – 9 = ____1_______
10 – 7 = _____3______
10 – 2 = _____8______
10 – 5 = ______5_____
10 – 1 = 9,
10 – 4 = 6,
10 – 9 = 1,
10 – 7 = 3,
10 – 2 = 8,
10 – 5 = 5,

Explanation:
Solved by substracting 1 from 10 we will get 9,
4 from 10 we will get 6,
9 from 10 we will get 1,
7 from 10 we will get 3,
2 from 10 we will get 8 and
5 from 10 we will get 5.

Question 3.
Solve.
a.

10 – 9 = 1
10 + 1 = 11
10 – 9 = 1,
10 + 1 = 11,
So 20 – 9 = 11,

Explanation:
Solved 10 – 9 as substracting 9 from 10
we will get 1 and adding 1 to 10 we will get 11,
therefore 20 – 9 = 11.

b. 30 – 9 = __21___
10 – 9 = 1,
20 + 1 = 21,
So 30 – 9 = 21,

Explanation:
Solved 10 – 9 as substracting 9 from 10
we will get 1 and adding 1 to 20 we will get 21,
therefore 30 – 9 = 21.

c. 40 – 8 = __32___
10 – 8 = 2,
30 + 2 = 32,
So 40 – 8 = 32,

Explanation:
Solved 10 – 8 as substracting 8 from 10
we will get 2 and adding 2 to 30 we will get 32,
therefore 40 – 8 = 32.

d. 50 – 8 = __42___
10 – 8 = 2,
40 + 2 = 42,
So 50 – 8 = 42,

Explanation:
Solved 10 – 8 as substracting 8 from 10
we will get 2 and adding 2 to 40 we will get 42,
therefore 50 – 8 = 42.

e. 60 – 7 = __53___
10 – 7 = 3,
50 + 3 = 53,
So 60 – 7 = 53,

Explanation:
Solved 10 – 7 as substracting 7 from 10
we will get 3 and adding 3 to 50 we will get 53,
therefore 60 – 7 = 53.

f. 70 – 7 = __63___
10 – 7 = 3,
60 + 3 = 63,
So 70 – 7 = 63,

Explanation:
Solved 10 – 7 as substracting 7 from 10
we will get 3 and adding 3 to 60 we will get 63,
therefore 70 – 7 = 63.

g. 80 – 6 = __74___
10 – 6 = 4,
70 + 4 = 74,
So 80 – 6 = 74,

Explanation:
Solved 10 – 6 as substracting 6 from 10
we will get 4 and adding 4 to 70 we will get 74,
therefore 80 – 6 = 74.

h. 90 – 5 = __85___
10 – 5 = 5,
80 + 5 = 85,
So 90 – 5 = 85,

Explanation:
Solved 10 – 5 as substracting 5 from 10
we will get 5 and adding 5 to 80 we will get 85,
therefore 90 – 5 = 85.

Question 4.
Show how 10 – 4 helps you solve 30 – 4.