Chapter 4 Review

1 Digit Subtraction

100

7-3=

4

200

9-9=

0

300

6-5=

1

400

9-5=

4

500

8-6=

2

2 Digit Subtraction

100

55-30=

25

200

73-23=

50

300

94-46=

48

400

58-46=

12

500

73-38=

35

Fact Families

100

What is one subtraction problem for the fact family:

8, 4, 12

12-8=4

OR

12-4=8

200

What is one subtraction problem for the fact family:

6, 7, 13

13-7=6

OR

13-6=7

300

What is one subtraction problem for the fact family:

20, 15, 5

20-15=5

OR

20-5=15

400

What is the other subtraction problem for this fact family:

30-10=3

30-3=10

500

What is the other subtraction problem for this fact family:

18-9=9

18-9=9

Checking Subtraction with Addition

100

What two numbers would you add to check your subtraction for this problem:

83-71=12

71+12

OR

12+71

200

What two numbers would you add to check your subtraction for this problem:

45-34=11

11+34

OR

34+11

300

What two numbers would you add to check your subtraction for this problem:

96-78=18

18+78

OR

78+18

400

What number should your addition problem have using this subtraction problem?

75-28=47

75

500

Solve

56-23=

Then tell me which numbers you are going to add to check your subtraction.

33

23+33

OR

33+23

Word Problems

100

Tiana planted 15 flowers. Charlotte planted 32 flowers. How many more flowers did Charlotte plant than Tiana?

32-15= 17 flowers

200

Ray had a basket of 20 apples. Naveen ate 5 apples. How many apples are left in the basket?

15 apples

300

There were 73 frogs in the pond. 36 of the frogs hopped away in the grass. How many frogs are left in the pond?

37 frogs

400

Benson had 98 Pokemon cards. He gave away 10 of them to his friends. How many cards does he have left?

88 cards

500

Our family got a box of pizza that had 16 slices. Reid ate 3 slices. James ate 2 slices. How many slices are left in the box?

11 slices of pizza