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