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