click below
click below
Normal Size Small Size show me how
Doubles + one
Adding numbers that are next to each other in counting order
Question | Answer |
---|---|
1+2 | 3 |
2+1 | 3 |
2+3 | 5 |
3+2 | 5 |
3+4 | 7 |
4+3 | 7 |
4+5 | 9 |
5+4 | 9 |
5+6 | 11 |
6+5 | 11 |
6+7 | 13 |
7+6 | 13 |
7+8 | 15 |
8+7 | 15 |
8+9 | 17 |
9+8 | 17 |
9+10 | 19 |
10+9 | 19 |