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