Arithmetic - answers below
1. 20 - 9 =
2. 16 - 7 =
3 . 15 - 5 =
4. 10 - 7 =
5. 9 - 4
6. 10 + 9 =
7. 18 +1 =
8. 8 + 12 =
9. 6 + 10 =
10. 3 + 9 =
Counting in 10's. Watch the video above and fill in the missing numbers.
10, 20 ?, 40, 50, ?
30, 40, ? , 60 , ? , 80
0, ?, 20, 30, ?
Challenge:
Counting backwards
100, 90, ?, 70, 60, ?, 40
70, ?, 50, ?, ?, 20
60, ? , ?, 30, 20
Arithmetic answers
1. 11
2. 9
3.10
4. 3
5. 5
6. 19
7. 19
8. 20
9.16
10.12