Show:
Easy Addition
Hard Addition
Easy Subtraction
Hard Subtraction
Mix It Up!
100

10+12

22
100

230+15

245

100

100-50

50

100

222-85

137

100

14-7

7

200

22+9

31

200

459+175

634

200

12-8

4

200

140-86

54

200

89+12

101

300

5+28

33

300

120+85

205

300

21-5

16

300

456-123

333

300

24+5

29

400

56+25

81

400

172+63

235

400

45-10

35

400

805-241

564

400
28+105

133

500

15+20

35
500

127+498

625

500

62-5

57

500

842-174

668

500

225-96

129