Draw or write to show two ways to use a doubles fact to find 6+7.

Question

Jaelynn Todd

Mathematics

26 June, 04:22

Draw or write to show two ways to use a doubles fact to find 6+7.

+3

Answers (1)

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Madelyn Harvey · Answer 1

Doubles fact is adding two addends that are the same.

1 + 1 = 2

2 + 2 = 4

3 + 3 = 9

4 + 4 = 8

5 + 5 = 10

6 + 6 = 12

7 + 7 = 14

8 + 8 = 16

9 + 9 = 18

10 + 10 = 20

Except 3 + 3; all sums are even numbers.

Doubles + 1 fact:

6 + 6 = 12

12 + 1 = 13

6 + 7 = 13

This is better explained using tokens or counters.