Learn ratio and proportion for Year 6: use 'for every' and a : b, scale recipes, enlarge similar shapes and share treasure with bar models.
Chapter 2: Missing values in ratios: scaling recipes with multiplication and division
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Year 6 maths · 1
Year 6 maths · 1
Year 6 maths · 2
Year 6 maths · 2
Year 6 maths · 3 Year 6 maths · 1
Year 6 maths · 3
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What the chapters cover in the national curriculum in England:
Ratio Island is an interactive ratio and proportion game that teaches children aged 9–11 how to compare amounts, find missing values, use scale factors with similar shapes and share amounts unequally, following the Year 6 maths curriculum in England. Pip the parrot reads every line aloud.
Players build pancake batches to see that a ratio such as 2 : 3 means 'for every 2 cups of flour, 3 eggs', then scale recipes in ratio tables by multiplying or dividing both amounts. They enlarge flags on a grid, where a scale factor multiplies every side, and divide matching sides to find how much bigger one similar shape is. Bar models help them link ratios to fractions and share treasure fairly.
Answers are typed on a number pad or chosen from options, with spoken hints when a child is stuck. Two optional warm-ups and a 10-question Captain's Challenge round it off.
A ratio compares two amounts and shows how many of one thing there are for every amount of another. For example, 2 cups of flour for every 3 eggs is written 2 : 3, and the order matters, so 3 : 2 would mean something different.
Add the parts of the ratio to find how many equal boxes there are, divide the total by that number, then multiply for each share. To share 40 coins in the ratio 3 : 5, there are 8 boxes of 5 coins, so the shares are 15 and 25.
A scale factor tells you how many times bigger every length of a shape becomes when it is enlarged. With scale factor 3, a rectangle 2 cm by 1 cm becomes 6 cm by 3 cm, and the two shapes are similar because every side was multiplied by the same number.
The game is for children aged 9 to 11 and matches the Year 6 ratio and proportion objectives in the KS2 maths curriculum for England. Every line is read aloud and shown as a caption, so less confident readers can follow along.
It includes six chapters with animated introductions, hands-on activities and typed or multiple-choice questions, two optional warm-ups on times tables and fractions, and a 10-question Captain's Challenge. Playing everything takes about an hour, and children can pick any chapter from the island map.
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