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