Addition
Subtraction
Missing Number
Word Problems
Challenge
100

What is 4+6=?

10

100

What is 8-3=?

5

100

Find the missing addend:

y + 5 = 10

5

100

Sally goes to 4 houses to sell cookies. Her sister goes to 10 houses. How many houses did they go to altogether?

14 houses

100

Olivia collects thirteen stamps, Roger collects nine stamps, and Harry collects three stamps. How many stamps do they have in all?

25 stamps

200

What is 11+3=?

14

200

What is 11-7=?

4

200

Find the missing addend:

6 + j = 16

10

200

The pizza man cut a pizza in 12 pieces. Nick ate 7 of those pieces. How many pieces are left?

5 pieces of pizza

200

Find the missing number:

17 - 8 = 13 - r

4

300

What is 16+5=?

21

300

What is 19-6=?

13

300

Find the missing addend:

r + 6 = 19

13

300

There are 18 houses on Mary's block. She goes to 5 houses and gets 12 pieces of candy. How many more houses does she have left on her block?

13 houses

300

Write four equations using these three numbers:

4, 11, 15

4+11=15

11+4=15

15-11=4

15-4=11

400

What is 12+14=?

26

400

What is 24-7=?

17

400

Find the missing addend:

9 + s + 7 = 19

3

400

On Halloween night, 2 ghosts decide to haunt houses. The first ghost haunts 10 houses. The second ghost haunts 8 houses. How many more houses do they need to haunt to have completed 20 houses?

2 houses

400

There are 26 marbles. Felicia gives her friend 10 marbles. Then Felicia buys 12 more marbles to add to her collection. How many marbles does Felicia have?

18 marbles

500

What is 15+4+8=?

27

500

What is 28-12=?

16

500

Find the missing addend:

w + 8 = 12 + 5

9

500

In room 7 at the elementary school, there are six kids dressed as bears, 8 kids dressed as kitties, and 5 kids dressed as Buzz Lightyear. How many kids are dressed as an animal?

14 kids

500

Solve:

23+56=?

79

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