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