Addition
Subtraction
Addition or Subtraction
Equation
Very Hard
100

56+48

104


100

92-44

48

100

329+555

884

100

Mia has 24 stickers. Her friend gives her 15 more stickers.
Write an equation: _________

24+15=39

100

777+777

1554

200

99+84

183

200
81-33

48

200

400-33

367

200

There are 36 birds in a tree. 12 birds fly away.
Write an equation: _________

36-12=44

200

999-600

399

300

126+54

180

300

130-47

83

300

45+69

114

300

A library has 28 books on one shelf and 34 books on another shelf.
Write an equation: _________

28+34= 62

300

1,000-355

645

400

197+69

266

400

111-42

27

400

222+999

1221

400

Noah collected 47 seashells. He gave 21 to his cousin. Then, he got 4 more.
Write an equation: _________

47-21= 26

26+4=30

400

5,000-632

4,368

500

257+875

1132

500

136+299

435

500

998+789

1787

500

There are 19 students in one class and 23 students in another class going on a field trip. Then they lost 2 students. 
Write an equation: _________

19+23= 42

42-2= 40

500

10,000-333

9,667