Doubles
2+2
4
2+3
5
2+1
3
4+4
8
4+5
9
4+3
does a number get bigger or smaller when you subtract from it?
smaller
6+6
12
6+7
13
6+5
11
what is a double?
two of the same numbers
(answers can vary)
8+8
16
8+9
17
8+7
15
what is a double plus 1?
two of the same numbers added together, plus 1
(answers can vary)
10+10
20
10+11
10+9
19
what is double minus 1?
two of the same numbers added together, minus 1
(answers may vary)