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1st Grade
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Missing Addends within 20
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Sheet 15
Missing Addends within 20 — Worksheet 15
Name:
Date:
Missing Addends within 20
What number is missing?
1.
5 +
= 12
2.
6 +
= 14
3.
8 +
= 12
4.
6 +
= 20
5.
4 +
= 10
6.
4 +
= 13
7.
7 +
= 10
8.
4 +
= 12
9.
10 +
= 11
10.
17 +
= 20
11.
1 +
= 13
12.
1 +
= 15
13.
2 +
= 14
14.
2 +
= 18
15.
6 +
= 16
16.
9 +
= 16
17.
3 +
= 17
18.
1 +
= 11
19.
14 +
= 19
20.
10 +
= 16
7
8
4
14
6
9
3
8
1
3
12
14
12
16
10
7
14
10
5
6
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1st Grade · Sheet #15