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