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