Grade 2 · Set C · Side 1 of 2
Two digits, with a ten to break
C
Start Finish
Goal: 10 min for both sides
Score/ 48
Remember: Too few ones? Break a ten into ten ones first.
1 = 67 − 25
2 = 92 − 78
378 − 39 =
462 − 34 =
593 − 37 =
641 − 18 =
7 = 72 − 27
842 − 14 =
9 = 35 − 16
1043 − 16 =
11 = 81 − 63
1245 − 32 =
13 = 97 − 51
1475 − 61 =
15 = 95 − 76
1662 − 17 =
1761 − 43 =
1895 − 56 =
1975 − 37 =
2035 − 25 =
2151 − 19 =
2293 − 56 =
2385 − 43 =
24 = 85 − 58
Grade 2 · Set C · Side 2 of 2
Two digits, with a ten to break
C
Start Finish
Goal: 10 min for both sides
Score/ 48
2551 − 38 =
2641 − 17 =
2783 − 56 =
2851 − 11 =
2993 − 76 =
3093 − 49 =
31 = 81 − 52
32 = 91 − 58
3385 − 26 =
3473 − 48 =
3553 − 29 =
3684 − 69 =
3747 − 18 =
3875 − 25 =
3943 − 25 =
4075 − 55 =
4194 − 62 =
4295 − 28 =
43 = 73 − 28
44 = 31 − 18
4584 − 27 =
46 = 53 − 27
4736 − 14 =
4863 − 52 =
Answer key · Grade 2 · Set C
Two digits, with a ten to break
142
214
339
428
556
623
745
828
919
1027
1118
1213
1346
1414
1519
1645
1718
1839
1938
2010
2132
2237
2342
2427
2513
2624
2727
2840
2917
3044
3129
3233
3359
3425
3524
3615
3729
3850
3918
4020
4132
4267
4345
4413
4557
4626
4722
4811
Mark each answer, count the right ones and write the score on the sheet. Beat your own time next time.