# Maths: How we calculate

Calculation methods

We appreciate that many parents feel unsure about the methods we use for calculation.  When the national curriculum changed in 2014, there was a move back towards formal column methods.  Attached at the foot of this page is a document which provides information about possible methods to use with your children for each operation (+ - x ÷) for each year group from Year 1 to Year 6.  The year group is indicated in a small box in the top left corner of each page.

How to...

Over the next few days we will expand this section of the website to include a range of explanation videos for calculation processes.

How to: calculate using the column method for multiplication - Suitable for Years 4-6

Multiplying with two digit numbers multiplied by two digit numbers. Suitable for Years 4-6.

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How to: calculate using the short division method - Suitable for Years 3-6

Dividing with a single digit number using the bus stop method.

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How to: use the language of ratio - Suitable for Years 5-6

(P.S. I do know that an onion is a vegetable).

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This ratio video explains how to answer common ratio problems.

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This video from Maths Antics explains ratio as fractions and using the standard ratio notation.  It is a Youtube video so children should be supervised when watching it.