Search Results For “adding and subtracting”

Converting fractions to decimals might need the aid of a calculator.

Working with simple percentages and converting fractions to percentages.

More on percentages, decimals and fractions.

Knowing pairs of numbers that make 10 and being able to count in tens make these questions much quicker to answer.

In these questions, you are told one fact about a sum. Write down three others without doing any more calculating.

Given one fact helps with working out similar facts.

Some people (especially those who still use feet and inches!!) think it is important to know how to multiply by 12. It?s easy ? just add 10 times the number to 2 times the number.

Knowing multiplication tables really helps with fractions.

An introduction to square numbers and the number patterns associated with them.

You can get a multiple of a whole number by multiplying it by another whole number. A factor of a number will divide into the number exactly, without a remainder.

A whole number which only has factors of 1 and itself is known as a prime number.

Revising division, including what happens when you divide by one and if it is possible to divide by zero.