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

### Eureka Math Grade 2 Module 1 Lesson 1 Sprint Answer Key

A. Add a Ten and Some Ones

Question 1.
10 + 1 = _11___
10 + 1 = 11,

Explanation:
Adding 1 to 10 we get 11.

Question 2.
10 + 2 = _12___
10 + 2 = 12,

Explanation:
Adding 2 to 10 we get 12.

Question 3.
10 + 4 = __14__
10 + 4 = 14,

Explanation:
Adding 4 to 10 we get 14.

Question 4.
10 + 3 = _13___
10 + 3 = 13,

Explanation:
Adding 3 to 10 we get 13.

Question 5.
10 + 5 = _15__
10 + 5= 15,

Explanation:
Adding 5 to 10 we get 15.

Question 6.
10 + 6 = _16___
10 + 6 = 16,

Explanation:
Adding 6 to 10 we get 16.

Question 7.
_11___ = 10 + 1
10+ 1= 11,

Explanation:
Adding 1 to 10 we get 11.

Question 8.
__14_ = 10 + 4
10 + 4 = 14,

Explanation:
Adding 4 to 10 we get 14.

Question 9.
_13___ = 10 + 3
10 + 3 = 13,

Explanation:
Adding 3 to 10 we get 13.

Question 10.
_15___ = 10 + 5
10 + 5 = 15,

Explanation:
Adding 5 to 10 we get 15.

Question 11.
_12___ = 10 + 2
10 + 2 = 12,

Explanation:
Adding 2 to 10 we get 12.

Question 12.
10 + 6 = _16__
10 + 6 = 16,

Explanation:
Adding 6 to 10 we get 16.

Question 13.
10 + 9 = _19__
10 + 9 = 19,

Explanation:
Adding 9 to 10 we get 19.

Question 14.
10 + 7 = _17___
10 + 7 = 17,

Explanation:
Adding 7 to 10 we get 17.

Question 15.
10 + 8 = _18___
10 + 8= 18,

Explanation:
Adding 8 to 10 we get 18.

Question 16.
3 + 10 = _13___
3 + 10 = 13,

Explanation:
Adding 3 to 10 we get 13.

Question 17.
4 + 10 = _14___
4 + 10 = 14,

Explanation:
Adding 4 to 10 we get 14.

Question 18.
1 + 10 = __11__
10 + 1 = 11,

Explanation:
Adding 1 to 10 we get 11.

Question 19.
2 + 10 = _12__
10 + 2 = 12,

Explanation:
Adding 2 to 10 we get 12.

Question 20.
5 + 10 = _15___
5 + 10 = 15,

Explanation:
Adding 5 to 10 we get 15.

Question 21.
_15___ = 10 + 5
10+ 5 = 15,

Explanation:
Adding 5 to 10 we get 15.

Question 22.
_18___ = 10 + 8
10 + 8 = 18,

Explanation:
Adding 8 to 10 we get 18.

Question 23.
_19___ = 10 + 9
10 + 9= 19,

Explanation:
Adding 9 to 10 we get 19.

Question 24.
__16__ = 10 + 6
10 + 6 = 16,

Explanation:
Adding 6 to 10 we get 16.

Question 25.
__17__ = 10 + 7
17= 10 + 7,

Explanation:
Adding 7 to 10 we get 17.

Question 26.
16 = _10___ + 6
16= 10 + 6,

Explanation:
Adding 6 to 10 we get 16.

Question 27.
8 + __10__ = 18
8 + 10 = 18,

Explanation:
Adding 8 to 10 we get 18.

Question 28.
_7___ + 10 = 17
7 + 10 = 17,

Explanation:
Adding 7 to 10 we get 17.

Question 29.
19 = _9___ + 10
19 = 9 + 10,

Explanation:
Adding 9 to 10 we get 19.

Question 30.
18 = 8 + __10__
18 = 8 + 10,

Explanation:
Adding 8 to 10 we get 18.

B. Add a Ten and Some Ones

Question 1.
10 + 5 = _15___
10 + 5 = 15,

Explanation:
Adding 5 to 10 we get 15.

Question 2.
10 + 4 = _14___
10 + 4 = 14,

Explanation:
Adding 4 to 10 we get 14.

Question 3.
10 + 3 = _13___
10 + 3 = 13,

Explanation:
Adding 3 to 10 we get 13.

Question 4.
10 + 2 = _12___
10 + 2 = 12,

Explanation:
Adding 2 to 10 we get 12.

Question 5.
10 + 1 = _11___
10 + 1 = 11,

Explanation:
Adding 1 to 10 we get 11.

Question 6.
10 + 5 = __15__
10 + 5 = 15,

Explanation:
Adding 5 to 10 we get 15.

Question 7.
_14_ = 10 + 4
14 = 10 + 4,

Explanation:
Adding 4 to 10 we get 14.

Question 8.
__12__ = 10 + 2
12 = 10 + 2,

Explanation:
Adding 2 to 10 we get 12.

Question 9.
__11__ = 10 + 1
11 = 10 + 1,

Explanation:
Adding 1 to 10 we get 11.

Question 10.
__13__ = 10 + 3
13 = 10 + 3,

Explanation:
Adding 3 to 10 we get 13.

Question 11.
__14__ = 10 + 4
14 = 10 + 4,

Explanation:
Adding 4 to 10 we get 14.

Question 12.
10 + 6 = _16___
10 + 6 = 16,

Explanation:
Adding 6 to 10 we get 16.

Question 13.
10 + 7 = __17__
10 + 7 = 17,

Explanation:
Adding 7 to 10 we get 17.

Question 14.
10 + 9 = _19___
10 + 9 = 19,

Explanation:
Adding 9 to 10 we get 19.

Question 15.
10 + 8 = __18__
10 + 8 = 18,

Explanation:
Adding 8 to 10 we get 18.

Question 16.
4 + 10 = __14__
4 + 10 = 14,

Explanation:
Adding 4 to 10 we get 14.

Question 17.
3 + 10 = _13___
3 + 10 = 13,

Explanation:
Adding 3 to 10 we get 13.

Question 18.
2 + 10 = __12__
2 + 10 = 12,

Explanation:
Adding 2 to 10 we get 12.

Question 19.
1 + 10 = _11___
1 + 10 = 11,

Explanation:
Adding 1 to 10 we get 11.

Question 20.
3 + 10 = __13__
3 + 10 =13,

Explanation:
Adding 3 to 10 we get 13.

Question 21.
_16___ = 10 + 6
16 = 10 + 6,

Explanation:
Adding 6 to 10 we get 16.

Question 22.
__19__ = 10 + 9
19 = 10 + 9,

Explanation:
Adding 9 to 10 we get 19.

Question 23.
_15___ = 10 + 5
15 = 10 + 5,

Explanation:
Adding 5 to 10 we get 15.

Question 24.
__17__ = 10 + 7
17 = 10 + 7,

Explanation:
Adding 7 to 10 we get 17.

Question 25.
__18__ = 10 + 8
18 = 10 + 8,

Explanation:
Adding 8 to 10 we get 18.

Question 26.
17 = _10___ + 7
17 = 10 + 7,

Explanation:
Adding 7 to 10 we get 17.

Question 27.
3 + _10___ = 13
3 + 10 = 13,

Explanation:
Adding 3 to 10 we get 13.

Question 28.
__6__ + 10 = 16
6 + 10 = 16,

Explanation:
Adding 6 to 10 we get 16.

Question 29.
18 = __8__ + 10
18 = 8 + 10,

Explanation:
Adding 8 to 10 we get 18.

Question 30.
17 = 7 + _10___
17 = 7 + 10,

Explanation:
Adding 7 to 10 we get 17.

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

Question 1.
Add or subtract. Complete the number bond to match.
a.

9 + 1 = __10__
1 + 9 = __10__
10 – 1 = __9__
10 – 9 = __1__

Explanation:
Completed the number bond as shown above,
added 9 and 1 we will get 10, adding 1 and 9 we get 10,
subtracting 1 from 10 we get 9 and subtracting
9 from 10 we get 1.

b.

4 + 6 = _10__
6 + 4 = __10__
10 – 6 = __4__
10 – 4 = __6__

Explanation:
Completed the number bond as shown above,
added 4 and 6 we will get 10, adding 6 and 4 we get 10,
subtracting 6 from 10 we get 4 and subtracting
4 from 10 we get 6.

Question 2.
Solve.
a. 10 + 5 = __15__
10 + 5 = 15,

Explanation:
Adding 5 to 10 we get 15.

b. 13 = 10 + __3__
13= 10 + 3,

Explanation:
Adding 3 to 10 we get 13.

c. 10 + 8 = __18__
10 + 8 = 18,

Explanation:
Adding 8 to 10 we get 18.

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

Question 1.
Add or subtract. Complete the number bond for each set.

9 + 1 = _10___
1 + 9 = _10___
10 – 1 = __9__
10 – 9 = _1___
9 + 1 = 10,
1 + 9 = 10,
10 – 1 = 9,
10 – 9 = 1,

Explanation:
Completed the number bond as shown above,
added 9 and 1 we will get 10, adding 1 and 9 we get 10,
subtracting 1 from 10 we get 9 and subtracting
9 from 10 we get 1.

8 + 2 = _10___
2 + 8 = _10___
10 – 2 = __8__
10 – 8 = __2__

Explanation:
Completed the number bond as shown above,
added 8 and 2 we will get 10, adding 2 and 8 we get 10,
subtracting 2 from 10 we get 8 and subtracting
8 from 10 we get 2.

Question 2.
Solve. Draw a number bond for each set.
6 + 4 = __10__              3 + 7 = _10_
4 + 6 = _10_                 7 + 3 = __10__
10 – 4 = _6___               10 – 7 = __3__
10 – 6 = _4__                10 – 3 = __7__
6 + 4 = 10,        3 + 7 = 10,
4 + 6 = 10,        7 + 3 = 10,
10 – 4 = 6,         10 – 7 = 3,
10 – 6 = 4,         10 – 3 = 7,

Explanation:
6 + 4 = 10,        3 + 7 = 10,
4 + 6 = 10,        7 + 3 = 10,
10 – 4 = 6,         10 – 7 = 3,
10 – 6 = 4,         10 – 3 = 7,
drawn a number bond for each set as shown.

Question 3.
Solve.
10 = 7 + __3__                         10 = __2__ + 8
10 = 3 + _7___                         10 = __6__ + 4
10 = 5 + __5__                         10 = __4__ + 6
10 = 2 + __8__                         10 = __9__ + 1
10 = 7 + 3,           10 = 2 + 8,
10 = 3 + 7,           10 = 6 + 4,
10 = 5 + 5,           10 = 4 + 6,
10 = 2 + 8,           10 = 9 + 1,

Explanation: