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Bridges Unit 1 Review

English 21 Public

addition and subtraction

Study Slideshow

#addition subtraction

.

5

15

.

5

15

.

5

15

.

8

15

.

Bottom 2 more

25

.

Top 1 more

15

.

yes

15

.

yes

15

.

6 + 5 = 11

15

.

11 - 7 = 4

15

Which equation could you solve using Add Ten?

2+10

9+1

4+5

3+3

15

Which equation could you solve using Doubles Facts?

5+1

10+9

7+3

4+4

15

Which equation could you solve using Doubles Plus 1?

5+0

6+7

8+8

10+3

15

Solve 8+3=

11

15

Solve 9+9=

18

15

Solve 10+5=

15

15

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