Adding Within 20 - Math Worksheet With Answer Key
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1
2
3Adding Within 20
Name:
Solve each problem.
A n s w e r s
1)
19 + 1 =
20
20
1.
2)
6
3 + 3 =
6
2.
3)
17 + 3 =
20
20
3.
4)
20
16 + 4 =
20
4.
5)
19
14 + 5 =
19
5.
6)
9 + 6 =
15
15
6.
7)
18
11 + 7 =
18
7.
8)
17
13 + 4 =
17
8.
9)
4 + 1 =
5
5
9.
10)
18
14 + 4 =
18
10.
11)
16
12 + 4 =
16
11.
12)
11 + 1 =
12
12
12.
13)
16
15 + 1 =
16
13.
14)
18
16 + 2 =
18
14.
15)
6 + 3 =
9
9
15.
16)
19
18 + 1 =
19
16.
17)
15 + 4 =
19
19
17.
18)
9 + 8 =
17
17
18.
19)
20
18 + 2 =
20
19.
20)
16 + 1 =
17
17
20.
1-10 95 90 85 80 75 70 65 60 55 50
8
Math
11-20 45 40 35 30 25 20 15 10 5
0
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