Addition
Subtraction
Fact Families
Missing Addends
10 more/10 less, 100 more/100 less
100

24 + 20= 

64

100

64 - 12=

52

100

Fill in the sums and differences for the related facts:

8 + 6 = _____

14 - 6= ______

8 + 6 = 14

14 - 6= 8

100

5 + ____ = 12

7

100

What is 10 more than 12

22

200

Evan has 13 crayons. He found 12 more on the floor. How many crayons does Evan have now?

25 crayons

200

Nina has 25 strawberries. She ate 20 of them. How many strawberries does she have left?

5 strawberries
200

Write the four related facts that belong in the fact family for 20, 7, and 13

7 + 13 = 20

13 + 7 = 20

20 - 7 = 13

20 - 13 = 7

200
____ + 13 = 29
16
200

What is 10 less than 58

48

300

23 + 58 + 42 =

123

300

50 - 38=

12

300

Write the four related facts that belong in the fact family for 8, 7, 15

8 + 7 = 15

7 + 8 = 15

15 - 7 = 8

15 - 8 = 7

300

50= 35 + _____

15

300

What is 100 more than 385

485

400

Gabriella has 3 cat stickers, 4 dog stickers, 7 giraffe stickers, 5 elephant stickers, and 2 fish stickers. How many stickers does Gabriella have in all?

21 stickers

400

Michael has 31 games on his iPad. He accidentally deletes 17 of them. How many games does he have left?

14 games

400

Write the related facts for the fact family using the numbers 50, 25, 75

50 + 25 = 75

25 + 50 = 75

75 - 50 = 25

75 - 25 = 50

400

61 = ____ + 24

37
400

What is 100 less than 293

193

500

Sonseray has $341. She earns $219 more by doing chores. How much money does Sonseray have now?

$560

500

91- 24= 

81

500

Write your own fact family with numbers no bigger than 100!

 

500
124 + _____ = 488

364

500

What is 100 less than 174

74