Show:
Addition Easy
Addition Hard
Subtraction Easy
Subtraction Hard
Other
100

10+3

13

100

1343+300

1636

100

20-10

10

100

30498-109

30389

100

2 x 2

4

200

14+10

24

200

3210+200

3410

200

100-50

50

200

1209-100

1109

200

64 / 8

8

300

113+20

133


300

1200+212

1412

300

200-50

150

300

1276-220

1056

300

120 / 10

12

400

200+300

500

400

380+380

760

400

1298-10

1288

400

12387-1927

10460

400

800 x 10

8000

500

1000+109

1109

500

12098+10928

23026

500

12389-5

12384

500

129387-29038

100349

500

100 x 100

10000