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Friday, June 21, 2013

Basic Facts

Basic Facts
This week for addition I got 100 right out of 100 and my time was 6:55
This week for subtraction I got right out of 100 and my time was 8:27
My goal is to be fast and accurate.

This week the maths strategy I have learned is:
1. using arrays to solve x problems
2. using my 5 x to solve 6, 7, 8, 9 x problems
3. using compensation to solve x problems
4. using compensation and place value to solve x problems
Here is an example of how to use it:
             x    3     x    4
1. 4x3, 5x4      000        11111        
                4    000    5  11111
                      000        11111
                      000        11111
2. 6x6, 8x7      
3. 8x9, 7x8

4. 5x19, 7x28

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