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)
16 + 3 =
19
19
1.
2)
19
15 + 4 =
19
2.
3)
11 + 4 =
15
15
3.
4)
18
9 + 9 =
18
4.
5)
16
15 + 1 =
16
5.
6)
13 + 6 =
19
19
6.
7)
20
11 + 9 =
20
7.
8)
20
16 + 4 =
20
8.
9)
5 + 3 =
8
8
9.
10)
6
4 + 2 =
6
10.
11)
19
17 + 2 =
19
11.
12)
9 + 7 =
16
16
12.
13)
20
18 + 2 =
20
13.
14)
8
4 + 4 =
8
14.
15)
8 + 8 =
16
16
15.
16)
8
7 + 1 =
8
16.
17)
13 + 3 =
16
16
17.
18)
12 + 7 =
19
19
18.
19)
17
14 + 3 =
17
19.
20)
14 + 1 =
15
15
20.
1-10 95 90 85 80 75 70 65 60 55 50
10
Math
11-20 45 40 35 30 25 20 15 10 5
0
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