1. Presentation Created by: Therese Duffy
Basic Addition
and Subtraction Facts
For 8
Has phaser sound
Presentation Created by: Therese Duffy
10/1/08

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

3. +8 (mixed order) 3+8= 11 5+8= 13 8+8= 16 10+8= 18 2+8= 10 1+8= 9 4+8=12
6+8= 14
9+8= 17
Fly in
7+8= 15

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

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

6. Stop Sign