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

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