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Basic Math Facts Worksheet - Resource # 777777 - by HelpingWithMath.com

Basic Facts: Backwards 1, Doubles, Number +1, & Zeros

Learn Doubles Subtraction. What is the missing number?
5
+ 5
10
2
+ 2
4
2
+  2
4
5
+  5
10
2
+  2
4
4
- 2
2
5
+  5
10
10
- 5
5
4
- 2
2
1
+ 1
2
5
+ 5
10
5
+  5
10
10
- 5
5
4
- 2
2
5
+ 5
10
3
+ 3
6
10
-  5
5
2
+ 2
4
2
+  2
4
4
- 2
2
5
+ 5
10
4
- 2
2
10
- 5
5
3
+ 3
6
10
- 5
5
4
- 2
2
4
+ 4
8
4
- 2
2
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