Adding Doubles Strategy (J) Single Digit Addition Worksheet With Answer Key Page 2
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2Adding Doubles Strategy (J) Answers
Use an adding doubles strategy to find each sum
Example: 7 + 5 = 7 + 7 - 2 = 14 - 2 = 12
0 + 2 =
9 + 7 =
6 + 7 =
0 + 0 + 2 = 2
9 + 9 - 2 = 16
6 + 6 + 1 = 13
0 + 2 = 2
18 - 2 = 16
12 + 1 = 13
3 + 2 =
8 + 6 =
3 + 2 =
3 + 3 - 1 = 5
8 + 8 - 2 = 14
3 + 3 - 1 = 5
6 - 1 = 5
16 - 2 = 14
6 - 1 = 5
7 + 6 =
4 + 5 =
1 + 3 =
7 + 7 - 1 = 13
4 + 4 + 1 = 9
1 + 1 + 2 = 4
14 - 1 = 13
8 + 1 = 9
2 + 2 = 4
5 + 5 =
0 + 1 =
0 + 0 =
5 + 5 = 10
0 + 0 + 1 = 1
0 + 0 = 0
0 + 1 = 1
10 + 9 =
5 + 6 =
9 + 8 =
10 + 10 - 1 = 19
5 + 5 + 1 = 11
9 + 9 - 1 = 17
20 - 1 = 19
10 + 1 = 11
18 - 1 = 17
3 + 1 =
3 + 4 =
7 + 8 =
3 + 3 - 2 = 4
3 + 3 + 1 = 7
7 + 7 + 1 = 15
6 - 2 = 4
6 + 1 = 7
14 + 1 = 15
9 + 8 =
9 + 10 =
3 + 5 =
9 + 9 - 1 = 17
9 + 9 + 1 = 19
3 + 3 + 2 = 8
18 - 1 = 17
18 + 1 = 19
6 + 2 = 8
7 + 8 =
2 + 4 =
4 + 5 =
7 + 7 + 1 = 15
2 + 2 + 2 = 6
4 + 4 + 1 = 9
14 + 1 = 15
4 + 2 = 6
8 + 1 = 9
4 + 6 =
1 + 1 =
5 + 5 =
4 + 4 + 2 = 10
1 + 1 = 2
5 + 5 = 10
8 + 2 = 10
3 + 5 =
9 + 8 =
9 + 10 =
3 + 3 + 2 = 8
9 + 9 - 1 = 17
9 + 9 + 1 = 19
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