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Make a Ten and Add On

English 21 Public

Adding 3 single digit numbers, use the strategy of finding a ten first and adding on the rest

Study Slideshow

3+8+2

13

15

7+3+5

15

15

9+4+1

14

15

6+8+4

18

15

5+6+5

16

15

2+9+1

12

15

2+4+8

14

15

4+1+6

11

15

5+1+9

15

15

8+2+2

12

15

4+3+7

14

15

6+3+4

13

15

7+7+3

17

15

8+9+2

19

15

7+3+10

20

15

5+5+5

15

15

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