Tuesday 8 April 2014

Multiples and Factors

We looked at the difference between factors and multiples today. A factor is any whole numbers that are multiplied together to get a product. The factors of 12 are 1, 2, 3, 4 and 12.

The factors of 16 are 1, 2, 4, 8 and 16.

Multiples are the product of any quantity and a whole number. A multiple is when a product is multiplied by any whole number. Multiples can be listed in a series.
The multiples of 3 are 3, 6, 9, 12, 15, 18...
The multiples of 5 are 5, 10, 15, 20, 25, 30...
We made an 'egg-cellent' multiples egg that listed all the multiples of numbers from 1 to 10. We knew that this was the same as skip counting and practiced skip counting by twos, threes, fours, fives and sixes. We were a little slower skip counting by sevens, eights and nines but were able to use different strategies to work out the multiples of larger numbers with a few handy tricks. 

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