Presentation Created by: Therese Duffy Basic Addition and Subtraction Facts Presentation Created by: Therese Duffy 10/1/08

+2 1+2= 3 2+2= 6+2= 4 8 3+2= 7+2= 5 9 4+2= 9+2= 8+2= 6 11 5+2= 10 10+2= 12 7

+2 (mixed order) 1+2= 6+2= 3 4+2= 8 2+2= 6 10+2= 4 12 5+2= 3+2= 7 7+2= 9 8+2= 9+2= 10 11

+ 3 Watch carefully, they disappear. 9+3= 10 + 3 Watch carefully, they disappear. 8 6+3= 7+3= 7 3 2+3= 13 4+3= 5+3= 6 12 11 5 8+3= 10+3= 1+3= 4 0+3= 3+3= 9

+ 3 (mixed order) Watch carefully, they disappear. 9+3= 10 + 3 (mixed order) Watch carefully, they disappear. 8 6+3= 7+3= 7 3 2+3= 13 4+3= 5+3= 6 12 11 5 8+3= 10+3= 1+3= 4 0+3= 3+3= 9

8+4= 11 +4 12 7+4= 1+4= 5+4= 5 9 4+4= 8 7 3+4= 13 6 6+4= 10+4= 9+4= 2+4= 10 14

+4 (mixed order) 11 8+4= 7+4= 12 1+4= 5+4= 5 9 4+4= 8 7 3+4= 13 6 6+4= 10+4= 9+4= 2+4= 10 14

+5 10+5= 8+5= 15 14 9+5= 13 7+5= 12 11 6+5= 10 5+5= 4+5= 3+5= 9 8 7 2+5= 0+5= 1+5= 6 5

+5 (mixed order) 10+5= 8+5= 15 14 9+5= 13 7+5= 12 11 6+5= 10 5+5= 4+5= 3+5= 9 8 7 2+5= 0+5= 1+5= 6 5

+6 0+6= 2+6= 1+6= 6 8 7 9+6= 10+6= 3+6= 5+6= 4+6= 9 15 16 10 11 7+6= 6+6= 8+6= 12 13 14

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

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

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

+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

+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

+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

+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+9 18 4+9 13 2+9 11 0+9 9

+10 0+10 2+10 1+10 10 11 12 3+10 13 4+10 14 5+10 15 6+10 16 7+10 17 10+10 8+10 18 9+10 19 20

+10 (mixed order) 7+10 10+10 4+10 17 14 20 2+10 12 8+10 18 6+10 16 3+10 13 1+10 11 0+10 10 9+10 19 5+10 15

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