Solve unknown addition
Solve unknown subtraction
Word problem
Addition no regroup
Subtraction no regroup
100

5 + △  = 12

7

100

12 - △  = 2 

10

100

Emma has 6 fancy erasers. Her friend gave her 8 more. How many erasers does Emma have now?

8 + 6 = △ 

100

32 + 25

57

100

46 - 32

14

200

△ + 15 = 23 

8

200

15 - △  = 6

9

200

Carlos has 8 red Lego pieces. He found 5 yellow Lego pieces. How many Lego pieces does Carlos have now?

8 + 5 = △ 

200

124 + 45

169

200

98 - 45

53

300

14 = △ + 9

5

300

△ - 8 = 11

19

300

Dorian and his little brother have 17 dinosaur toys. Dorian has 8 of those dinosaur toys. How many dinosaur toys does his little brother have? 

8 + △  = 17

300

231 + 246

477

300

158 - 34

124

400

25 = 13 + △ 

12
400

△ - 12 = 12

24

400

Sarah has 14 red and yellow jellybeans. Some are red and 7 are yellow. How many jellybeans are red?

14 - 7 = △  or 14 - △ = 7

400

1234 + 362 

1596

400

678 - 345

333

500

43 + △  = 74 

31

500

△ - 16 = 8

24

500

Tyler had 14 balloons. Some balloons blew away. Now he has 9 balloons. 

14 - △  = 9 

500

2536 + 6252

8788

500

9876 - 3245

6631