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