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Percentages and ratios

Percentages and ratios: Maths KS3

In lessons three and four, use algebra to calculate how fast a Tunnel Boring Machine (TBM) can bore through the ground, and use percentages and ratios to explore how rainfall across London drains into four Combined Sewer Overflows (CSOs). 


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Maths KS3 Lesson 4: Percentages and ratios

Teachers Notes

Teacher's Notes - Maths KS3: Lesson 4

Student Notes

Worksheet - Maths KS3: Lesson 4