| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
Use the number strip to work out these:
1.
3 + 2 + 1 =
2.
2 + 4 + 5 =
3.
7 + 2 + 1 =
4.
5 + 2 + 1 =
5.
6 + 2 + 3 =
6.
2 + 1 + 7 =
7.
9 + 1 + 2 =
8.
4 + 3 + 2 =
9.
2 + 8 + 1 =
10.
5 + 1 + 3 =