Adding And Subtracting Within 20 Worksheet

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

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