Division rules – what I learnt today

I was successful on mathletics today doing the divisibility rules tasks. I used Google to search for divisibility rules.

I found out that all even numbers are divisible by 2.

I found out that if you add up the digits in a number and that new number can be divided by 3 then it is divisible by 3.

For example: 316 = 3 + 1 + 6 = 10 so can you divide 10 by 3 with no remainder? The answer is NO, so 316 IS NOT divisble by 3.

lets try 912. So, 912 = 9 + 1 + 2 = 12 – can you divide 12 by 3. The answer is YES. So you can divide 914 by 3 and the answer is 304.

You can find the divisibility rules here.

By Tom and Trish

 

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