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