Interactive Lessons

Search over 850 fully planned, interactive, differentiated mathematics lessons designed to engage and inspire your students.

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Ages 11 - 13

Best Buys

How to calculate the best buy using ratio notation.

Ages 14 - 16

3 Part Ratios

How to solve problems involving 3-part ratios.

Ages 11 - 13

Inverse Proportion

How to use ratio notation to model values that are inversely proportional.

Ages 11 - 13

Direct Proportion and Exchange Rates

How to use ratio notation to convert between exchange rates.

Ages 14 - 16

Proportion and Recipes

How to use ratio notation to adjust recipes for different amounts.

Ages 11 - 13

Sharing in a Given Ratio

How to divide a quantity into two or more parts when given a ratio.

Ages 11 - 13

Writing Ratios in their Simplest Form

How to write ratios in their simplest form.

Ages 11 - 13

Scale Drawings

How to draw diagrams to a scale using ratio notation.

Ages 11 - 13

Ratio and Equivalent Proportions

How to write a ratio as a fraction and percentage.

Ages 14 - 16

Simplifying Ratios

How to simplify ratios using the highest common factor.

Ages 14 - 16

Sharing to a Ratio

How to share an amount according to a ratio.

Ages 14 - 16

Proportional Reasoning

Students learn how to work with proportional amounts using ratio notation.