Adding Doubles Plus 1 Worksheet With Answers Page 20
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20Adding Doubles Plus 1 (J) Answers
Use an adding doubles strategy to find each sum
Example: 9 + 10 = 9 + 9 + 1 = 18 + 1 = 19
6 + 7 =
1 + 2 =
2 + 3 =
6 + 6 + 1 = 13
1 + 1 + 1 = 3
2 + 2 + 1 = 5
12 + 1 = 13
2 + 1 = 3
4 + 1 = 5
3 + 4 =
7 + 8 =
8 + 9 =
3 + 3 + 1 = 7
7 + 7 + 1 = 15
8 + 8 + 1 = 17
6 + 1 = 7
14 + 1 = 15
16 + 1 = 17
1 + 2 =
3 + 4 =
0 + 1 =
1 + 1 + 1 = 3
3 + 3 + 1 = 7
0 + 0 + 1 = 1
2 + 1 = 3
6 + 1 = 7
0 + 1 = 1
7 + 8 =
6 + 7 =
6 + 7 =
7 + 7 + 1 = 15
6 + 6 + 1 = 13
6 + 6 + 1 = 13
14 + 1 = 15
12 + 1 = 13
12 + 1 = 13
0 + 1 =
9 + 10 =
9 + 10 =
0 + 0 + 1 = 1
9 + 9 + 1 = 19
9 + 9 + 1 = 19
0 + 1 = 1
18 + 1 = 19
18 + 1 = 19
2 + 3 =
8 + 9 =
5 + 6 =
2 + 2 + 1 = 5
8 + 8 + 1 = 17
5 + 5 + 1 = 11
4 + 1 = 5
16 + 1 = 17
10 + 1 = 11
9 + 10 =
4 + 5 =
3 + 4 =
9 + 9 + 1 = 19
4 + 4 + 1 = 9
3 + 3 + 1 = 7
18 + 1 = 19
8 + 1 = 9
6 + 1 = 7
4 + 5 =
0 + 1 =
1 + 2 =
4 + 4 + 1 = 9
0 + 0 + 1 = 1
1 + 1 + 1 = 3
8 + 1 = 9
0 + 1 = 1
2 + 1 = 3
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
5 + 6 =
5 + 6 =
4 + 5 =
5 + 5 + 1 = 11
5 + 5 + 1 = 11
4 + 4 + 1 = 9
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education