1. Presentation Created by: Therese Duffy
Basic Addition
and Subtraction Facts
For 9
Has ringing sound
Presentation Created by: Therese Duffy
10/1/08

2. +9
1+9 10
2+9 11
0+9 9
3+9 12
4+9 13
5+9 14
6+9 15
7+9 16
8+9 17
9+9 18
10+9 19

3. +9 (mixed order) 10+9 19 3+9 12 8+9 17 1+9 10 7+9 16 5+9 14 6+9 15 9+918
4+9 13
2+9 11
0+9 9

4. -9
11-9 2
12-9 3
10-9 1
13-9 4
14-9 5
15-9 6
16-9 7
17-9 8
18-9 9
19-9 10
20-9 11

5. -9 (mixed order) 19-9 10 12-9 3 17-9 8 10-9 1 16-9 7 14-9 5 15-9 6
18-9 9
13-9 4
11-9 2
9-9

6. Stop Sign