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A factor is a number that divides into another number without a remainder. So the factors of 15 are 1, 3, 5 and 15.

The multiples of 4 are all the numbers in the 4 times table. 4,8,12,16,20,24,28,32……..

A prime number is special because it only has 2 factors.  These two factors are always 1 and the number itself. So 7 is a prime number because the factors of 7 are 1 and 7.

Try matching the questions to the answers in these columns.

The trick is to look at the tens column. If this is 5 or more, round up. If it is less then 5 the hundreds column stays the same.

So 439 rounds to 400, but 459 rounds up to 500

ESOL students often have great difficulty interpreting questions and working out which operation they should use.Hopefully this exercise will help.

Tagged with:

Tagged with:

Simple addition

Just match the sums with the answers

This new website is to help people of all ages with their maths. It is suitable for people studying Functional Skills or Adult Numeracy at all levels from Entry 1 to Level 2, or for anyone just wanting to improve their skills.

While I put it together you may like to visit my YouTube page and my Facebook page.