A lesson introducing ratio. Starting with the boys and girls in the class, it shows the three ways to write a ratio, how to simplify ratios and form equivalent ratios, and introduces ratios comparing three quantities with a bag of marbles problem.
What this presentation covers
- what a ratio is
- writing a ratio three ways
- simplifying ratios
- equivalent ratios
- ratios of three quantities
- a marbles word problem
Level: KS2 / KS3
Slides: 18
Format: PowerPoint (.pptx)
Contributed by: Jyoti