Addition 1
Addition 2
Subtraction 1
Subtraction 2
Challenge!
100

65 + 23 = 

88

100

48 + 28 =

76

100

88 - 41 = 

47

100

80 - 48 = 

32

100

1,234,567 + 7,654,321 = 

8,888,888

200

124 + 341 = 

465

200

562 + 779 = 

1,341

200

497 - 234 = 

263

200

596 - 239 = 

357

200

2,465,198 + 3,775,187 = 

6,240,385

300

2,401 + 3,377 = 

5,778

300

3,498 + 4,288 = 

7,786

300

4,565 - 2,341 = 

2,224

300

7,207 - 4,193 = 

3,014

300

8,467,885 - 2,130,334 = 

6,337,551

400

16,092 + 21,904 = 

37,996

400

45,398 + 29,117 = 

74,515

400

47,392 - 26,111 = 

21,281

400

62,554 - 58,487 = 

4,067

400

7,472,821 - 4,511,462 = 

2,961,359

500

302,664 + 181,325 = 

483,989

500

398,264 + 165,287 = 

563,551

500

283,172 - 162,041 = 

121,131

500

887,941 - 657,255 = 

230,686

500

3,018,504 - 1,574,663 = 

1,443,841

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