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

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

Practice Backwards 1 and Number +1
4
+ 1
5
1
+ 2
3
9
- 1
8
6
- 1
5
1
+ 8
9
10
- 1
9
1
+ 3
4
2
- 1
1
8
- 1
7
1
+ 5
6
1
+ 4
5
9
+ 1
10
7
- 1
6
5
- 1
4
1
+ 1
2
3
+ 1
4
1
+ 6
7
3
- 1
2
5
+ 1
6
4
- 1
3
7
+ 1
8
Practice all tricks. Hint: Circle the zeros
circled zero fact example
10
- 1
9
2
- 1
1
2
+ 0
2
7
+ 1
8
3
- 1
2
8
- 1
7
3
+ 3
6
9
- 1
8
0
+ 6
6
5
+ 5
10
1
+ 1
2
8
+ 0
8
1
+ 9
10
0
+ 3
3
1
+ 5
6
7
- 1
6
4
+ 0
4
4
- 1
3
3
+ 3
6
1
+ 3
4
4
+ 1
5
2
+ 2
4
3
+ 3
6
8
+ 1
9
0
+ 1
1
7
+ 0
7
1
+ 7
8
5
- 1
4
0
+ 8
8
6
+ 1
7
2
+ 2
4
5
+ 5
10
0
+ 9
9
6
- 1
5
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