Adding And Subtracting Within 20 Worksheet Page 3

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

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