Grade 1 · Set C · Side 1 of 2
Within twenty
C
Start Finish
Goal: 10 min for both sides
Score/ 48
Remember: Make a ten, get back to ten, and know your doubles.
113 − 2 =
213 − 8 =
320 − 9 =
44 + 9 =
5 = 18 − 7
67 + 11 =
7 = 12 − 6
83 + 9 =
920 − 7 =
10 = 16 − 3
1114 − 9 =
129 + 6 =
1313 − 4 =
1417 − 9 =
15 = 16 − 2
1618 − 3 =
1711 + 8 =
189 + 7 =
1912 − 7 =
204 + 11 =
2116 + 4 =
224 + 8 =
23 = 6 + 14
24 = 12 − 9
Grade 1 · Set C · Side 2 of 2
Within twenty
C
Start Finish
Goal: 10 min for both sides
Score/ 48
25 = 5 + 9
2613 − 7 =
2711 − 6 =
2813 − 5 =
2916 − 1 =
309 + 2 =
31 = 8 + 3
32 = 11 − 2
3317 − 8 =
345 + 8 =
35 = 1 + 16
3615 − 9 =
3712 − 4 =
38 = 7 + 5
3913 − 9 =
40 = 6 + 8
4117 + 1 =
4213 − 6 =
434 + 7 =
4414 − 4 =
452 + 9 =
465 + 9 =
473 + 14 =
489 + 4 =
Answer key · Grade 1 · Set C
Within twenty
111
25
311
413
511
618
76
812
913
1013
115
1215
139
148
1514
1615
1719
1816
195
2015
2120
2212
2320
243
2514
266
275
288
2915
3011
3111
329
339
3413
3517
366
378
3812
394
4014
4118
427
4311
4410
4511
4614
4717
4813
Mark each answer, count the right ones and write the score on the sheet. Beat your own time next time.