   # Ratio + proportion topics for beginner

Below are the beginner topics available for the category "Ratio+proportion" at Free Maths Games.

## Age 10 - 11 (19 topics)

Double the size
Use multiplication and division to get double the size of the objects or values

Triple the size
Use multiplication and division to find triple the given values and measures

Five times the size
Use multiplication and division to find five times the given sizes

Half the size
Use multiplication and division to find half of the given quantities and measures

A third of the size
Use multiplication and division to find a third of the size of the given values and measures

A fifth of the size
Use multiplication and division to find a fifth of the given values and measures

Calculate total size
Use multiplication and division to calculate the whole value or measure from the given decimal portion

Find the scale factor
Use multiplication and division to find the scale factor given original and final sizes

Find 10%
From 100% find out what 10% is using division (without using your calculator)

Find 30%
Find 30% by breaking up each given value into 3 lots of 10% (no calculator)

Find 15%
Find 15% by breaking up each given value into a 10% and a 5% and adding them together

Find 15%
Find 15% with your calculator using the multiplier 0.15

Find 8%
Find 8% with your calculator using the multiplier 0.08

Find 80%
Find 80% with your calculator using the multiplier 0.8

Express 2 values as a percentage
Express 2 values as a percentage by creating a fraction from the 2 numbers and multiplying by 100

Compare fractions, decimals, percent
Compare proportions using fractions, decimals and percent and say which is the biggest part of the whole

Percentages of different measures
Identify which percentage of a length is the longest

Use scale factors to calculate dimensions
Use the scale factor and model or drawing dimension to calculate the real dimension

Find the scale factor
Use the properties of similar shapes to find the scale factor

Each of our maths topics for beginner (Age 1 to Age 6) are made up of between 6 and 20 question and answer pairs (both the written form and a robot voice speaking those questions and answers). Each topic can be used with all the activities on the site.  