3-2
3-2 = 1
5-3
5-3 = 2
7-4
7-4 = 3
9-5
9-5 = 4
11-6
11-6 = 5
15-8
15-8 = 7
17-9
17-9 = 8
3-1
3-1 = 2
5-2
5-2 = 3
7-3
7-3 = 4
9-4
9-4 = 5
11-5
11-5 = 6
15-7
15-7 = 8
17-8
17-8 = 9
Subjects:
14 cards submitted by Tim Bottman on Tuesday, March 11th, 2014.
This set of facts includes all the turn-around facts for the doubles + 1. Students should use their knowledge of addition and fact families to solve these facts. For example, when solving 11 - 6, the student should ask, “What plus 6 equals 11?”.
3-2
3-2 = 1
5-3
5-3 = 2
7-4
7-4 = 3
9-5
9-5 = 4
11-6
11-6 = 5
15-8
15-8 = 7
17-9
17-9 = 8
3-1
3-1 = 2
5-2
5-2 = 3
7-3
7-3 = 4
9-4
9-4 = 5
11-5
11-5 = 6
15-7
15-7 = 8
17-8
17-8 = 9