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  • TOB...1st Grade...
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Watch the video for your 10 Facts...&...Look at the pictures to help with your strategies...

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Please have your students practice these math facts.  Knowing these addition strategies will help them with more difficult problems in second grade and beyond.
Make A Ten                                                                                             
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10 + 0 = 10

9 + 1 = 10

8 + 2 = 10

7 + 3 = 10

6 + 4 = 10

5 + 5 = 10

4 + 6 = 10

3 + 7 = 10

2 + 8 = 10

1 + 9 = 10

0 + 10 = 10



Double Facts

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1 + 1 = 2

2 + 2 = 4

3 + 3 = 6

4 + 4 = 8

5 + 5 = 10

6 + 6 = 12

7 + 7 = 14

8 + 8 = 16

9 + 9 = 18

10+10 = 20

11+11= 22

12+12 = 24

13+13 = 26

14+14 = 28



Double Fact Minus One

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2 – 1 = 1

4 – 1 = 3

6 – 1 = 5

8 – 1 = 7

10 – 1 = 9

12 – 1 = 11

14 – 1 = 13

16 – 1 = 15

18 – 1 = 17

20 – 1 = 19

22 – 1 = 21

24 – 1 = 23

26 – 1 = 25



Double Fact Plus One

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2 + 1 = 3

4 + 1 = 5

6 + 1 = 7

8 + 1 = 9

10 + 1 = 11

12 + 1 = 13

14 + 1 = 15

16 + 1 = 17

18 + 1 = 19

20 + 1 = 21

22 + 1 = 23

24 + 1 = 25

26 + 1 = 27