Adding Doubles Strategy (G) Single Digit Worksheet With Answer Key Page 2
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2Adding Doubles Strategy (G) Answers
Use an adding doubles strategy to find each sum
Example: 7 + 9 = 7 + 7 + 2 = 14 + 2 = 16
9 + 10 =
4 + 5 =
6 + 4 =
9 + 9 + 1 = 19
4 + 4 + 1 = 9
6 + 6 - 2 = 10
18 + 1 = 19
8 + 1 = 9
12 - 2 = 10
6 + 7 =
3 + 5 =
2 + 3 =
6 + 6 + 1 = 13
3 + 3 + 2 = 8
2 + 2 + 1 = 5
12 + 1 = 13
6 + 2 = 8
4 + 1 = 5
5 + 6 =
7 + 6 =
11 + 9 =
5 + 5 + 1 = 11
7 + 7 - 1 = 13
11 + 11 - 2 = 20
10 + 1 = 11
14 - 1 = 13
22 - 2 = 20
3 + 2 =
11 + 9 =
7 + 8 =
3 + 3 - 1 = 5
11 + 11 - 2 = 20
7 + 7 + 1 = 15
6 - 1 = 5
22 - 2 = 20
14 + 1 = 15
6 + 4 =
3 + 2 =
6 + 6 =
6 + 6 - 2 = 10
3 + 3 - 1 = 5
6 + 6 = 12
12 - 2 = 10
6 - 1 = 5
4 + 3 =
0 + 0 =
5 + 7 =
4 + 4 - 1 = 7
0 + 0 = 0
5 + 5 + 2 = 12
8 - 1 = 7
10 + 2 = 12
8 + 10 =
8 + 7 =
3 + 3 =
8 + 8 + 2 = 18
8 + 8 - 1 = 15
3 + 3 = 6
16 + 2 = 18
16 - 1 = 15
7 + 8 =
6 + 5 =
3 + 1 =
7 + 7 + 1 = 15
6 + 6 - 1 = 11
3 + 3 - 2 = 4
14 + 1 = 15
12 - 1 = 11
6 - 2 = 4
0 + 1 =
10 + 8 =
8 + 10 =
0 + 0 + 1 = 1
10 + 10 - 2 = 18
8 + 8 + 2 = 18
0 + 1 = 1
20 - 2 = 18
16 + 2 = 18
3 + 1 =
1 + 2 =
2 + 0 =
3 + 3 - 2 = 4
1 + 1 + 1 = 3
2 + 2 - 2 = 2
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