Grade 1 · Set E · Side 1 of 2
Tens take tens
E
Start Finish
Goal: 10 min for both sides
Score/ 48
Remember: Take tens away from tens. What is left is tens too.
160 − 30 =
2 = 70 − 70
370 − 70 =
440 − 40 =
580 − 20 =
610 − 10 =
780 − 60 =
8 = 90 − 30
930 − 30 =
10 = 70 − 10
11 = 30 − 20
1280 − 30 =
1360 − 10 =
14 = 30 − 30
15 = 90 − 40
1660 − 60 =
1750 − 20 =
1850 − 30 =
1940 − 20 =
2070 − 50 =
2190 − 60 =
2290 − 40 =
2390 − 20 =
2490 − 10 =
Grade 1 · Set E · Side 2 of 2
Tens take tens
E
Start Finish
Goal: 10 min for both sides
Score/ 48
2580 − 80 =
2640 − 30 =
27 = 50 − 30
28 = 10 − 10
2960 − 20 =
3050 − 50 =
31 = 80 − 80
3220 − 20 =
33 = 20 − 10
3490 − 80 =
35 = 90 − 10
36 = 60 − 10
3720 − 10 =
3870 − 30 =
39 = 80 − 40
4030 − 20 =
4170 − 60 =
4270 − 40 =
4390 − 30 =
4430 − 10 =
45 = 90 − 20
46 = 90 − 50
47 = 70 − 60
4890 − 50 =
Answer key · Grade 1 · Set E
Tens take tens
130
20
30
40
560
60
720
860
90
1060
1110
1250
1350
140
1550
160
1730
1820
1920
2020
2130
2250
2370
2480
250
2610
2720
280
2940
300
310
320
3310
3410
3580
3650
3710
3840
3940
4010
4110
4230
4360
4420
4570
4640
4710
4840
Mark each answer, count the right ones and write the score on the sheet. Beat your own time next time.