Addition
Write the missing number and complete each addition sentence.
1)
2
+
=
15
2)
+
5
=
15
3)
7
+
=
15
4)
+
4
=
15
5)
14
+
=
15
6)
+
3
=
15
7)
13
+
=
15
8)
+
12
=
15
9)
0
+
=
15
10)
+
6
=
15
11)
1
+
=
15
12)
+
11
=
15
13)
8
+
=
15
14)
+
10
=
15
15)
15
+
=
15
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