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Maths - Multiplication using the grid method
The grid method is when you partition a number to make the multiplying easier.
Like this:
EG 12 x 4 = ?
First, partition the 2 digit number ( 12 = 10 + 2)
Next, multiply 10 by 4 = 40
Then, multiply 2 by 4 = 8
Finally, add your two answers together 40 + 8 = 48
You can lay out all your calculations in a grid like this:
X | 10 | 2 |
4 | 10 x 4 = 40 | 2 x 4 = 8 |
40 + 8 = 48
Now have a go at these worksheets. Try your best first and then scroll down to the bottom to find the answers.