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