For everyone who has completed the Lesson 18 Homework 3.1 and want to check out if all the work is correct, you can check out the answer key from this post and the answer key of some other things included in the same lesson.
Lesson 18 Homework 3.1 Answer Key
 First apple matched to third bucket; second apple matched to first bucket; third apple matched to fourth bucket, fourth apple matched to second bucket
 36; 5 x 4, 4 x 4; 5, 4; 20, 16, 36; 36
 40
 Answers will vary
 70
Lesson 18 Homework 3.1 Questions
 match
(5 x 4) + (3 x 4) = 32
(5 x 3) + (2 x 3) = 21
(5 x 10) + (2 x 10) = 70
(66 x 10) + (3 x 10) = 90  9×4=
(_____ x 4) + (_____ x 4) = 9 x 4
______ + _____ = _____
9 x 4 = _____  Lydia makes 10 pancakes. She tops each pancake with 4 blueberries. How many blueberries does Lydia use in all? Use the break apart and distribute strategy, and draw a number bond to solve.
 Steven solves 7 x 3 using the break apart and distribute strategy. Show an example of what Steven’s work might look like below.
 There are 7 days in 1 week. How many days are there in 10 weeks?
Lesson 18 Sprint 3.1 Answer Key
Side A
 5
 10
 15
 20
 25
 30
 35
 40
 45
 50
 45
 40
 35
 30
 25
 20
 15
 10
 5
 0
 5
 10
 15
 20
 25
 30
 35
 40
 45
 50
 50
 100
 55
 60
 55
 50
 65
 70
 65
 60
 150
 200
 150
 100
Side B
 5
 10
 15
 20
 25
 30
 35
 40
 45
 50
 45
 40
 35
 30
 25
 20
 15
 10
 5
 0
 5
 10
 15
 20
 25
 30
 35
 40
 45
 50
 50
 100
 55
 60
 55
 50
 65
 70
 65
 60
 150
 200
 150
 100
Lesson 18 Sprint 3.1 Questions
A
Add or Subtract Using 5
1 
0 + 5 =  
2 
5 + 5 = 

3 
10 + 5 =  
4 
15 + 5 = 

5 
20 + 5 =  
6 
25 + 5 = 

7 
30 + 5 = 

8 
35 + 5 = 

9 
40 + 5 =  
10 
45 + 5 = 

11 
50 – 5 =  
12 
45 – 5 = 

13 
40 – 5 =  
14 
35 – 5 = 

15 
30 – 5 =  
16 
25 – 5 = 

17 
20 – 5 =  
18 
15 – 5 = 

19 
10 – 5 =  
20 
5 – 5 = 

21 
5 + 0 =  
22 
5 + 5 = 

23 
10 + 5 =  
24 
15 + 5 = 

25 
20 + 5 =  
26 
25 + 5 = 

27 
30 + 5 =  
28 
35 + 5 = 

29 
40 + 5 =  
30 
45 + 5 = 

31 
0 + 50 =  
32 
50 + 50 = 

33 
55 + 5 =  
34 
50 + 5 = 

35 
60 – 5 =  
36 
55 – 5 = 

37 
60 + 5 =  
38 
65 + 5 = 

39 
70 – 5 =  
40 
65 – 5 = 

41 
100 + 50 =  
42 
150 + 50 = 

43 
200 – 50 =  
44 
150 – 50 = 
B
Add or Subtract Using 5
1 
5 + 0 =  
2 
5 + 5 = 

3 
5 + 10 =  
4 
5 + 15 = 

5 
5 + 20 =  
6 
5 + 25 = 

7 
5 + 30 =  
8 
5 + 35 = 

9 
5 + 40 =  
10 
5 + 45 = 

11 
50 – 5 =  
12 
45 – 5 = 

13 
40 – 5 =  
14 
35 – 5 = 

15 
30 – 5 =  
16 
25 – 5 = 

17 
20 – 5 =  
18 
15 – 5 = 

19 
10 – 5 =  
20 
5 – 5 = 

21 
0 + 5 =  
22 
5 + 5 = 

23 
10 + 5 =  
24 
15 + 5 = 

25 
20 + 5 =  
26 
25 + 5 = 

27 
30 + 5 =  
28 
35 + 5 = 

29 
40 + 5 =  
30 
45 + 5 = 

31 
50 + 0 =  
32 
50 + 50 = 

33 
5 + 50 =  
34 
5 + 55 = 

35 
60 – 5 =  
36 
55 – 5 = 

37 
5 + 60 =  
38 
5 + 65 = 

39 
70 – 5 =  
40 
65 – 5 = 

41 
50 + 100 =  
42 
50 + 150 = 

43 
200 – 50 =  
44 
150 – 50 = 
Lesson 18 Problem Set 3.1 Answer Key
 80; 3 tens; 3 tens; 3; 30, 80; 80
 28; 2 fours; 2 fours; 2; 8,28; 28
 90; 4 x 10; 4 tens; 4; 50, 40, 90; 90
 100; 5 x 10, 5 x 10; 5 tens, 5 tens; 5, 5; 50, 50, 100; 100
 70
 24
 120
Lesson 18 Problem Set 3.1 Questions
 8 x 10 = _____
5 tens + _____ = 8 tens
(5 x 10) + (_____ x 10) = 8 x 10
50 + _____ = _____
8 x 10 = _____
 7 x 4 = _____
5 fours + _____ = 7 fours
(5 x 4) + (_____ x 4) = 7 x 4
20 + _____ = _____
7 x 4 = _____
 9 x 10 = _____
5 tens + _____ = 9 tens
(5 x 10) + (_____ x 10) = 9 x 10
_____ + _____ = _____
9 x 10 = _____
 10 x 10
_____ + _____ = 10 tens
(_____ x 10) + (_____ x 10) = 10 x 10
_____ + _____ = _____
10 x 10 = _____
 There are 7 teams in the soccer tournament. Ten children play on each team. how many children are playing in the tournament? Use the break apart and distribute strategy, and draw a number bond to solve.
 What is the total number of sides on 8 triangles?
 There are 12 rows of bottled drinks in the vending machine. Each row has 10 bottles. How many bottles are in the vending machine?
Lesson 18 Exit Ticket 3.1 Answer Key
66 x 4; 1 x 4; 66, 4, 24
Lesson 18 Exit Ticket 3.1 Questions
Dylan used the break apart and distribute strategy to solve a multiplication problem. Look at his work below, write the multiplication problem Dylan solved, and complete the number bond.
Dylan’s work:
(5 x 4) + (1x 4) = 20 + 4 = 24