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Ratios and Rates

Introduction to Ratios

Simplifying Ratios (1)

Simplifying Ratios (2)

Problems Using Equivalent Ratios

Plotting Pairs of Ratios on Coordinate Plane

Dividing a Quantity into a Given Ratio I

Ratios and Imperial and Metric Units

Scales, Maps and Ratios I

Simplifying Ratios with Numeric Terms

Simplifying Ratios with Algebraic Terms

Simplifying Ratios with Numeric or Algebraic Terms (2)

Ratios with Fractions and Percents

Applications of Ratios

Ratios and Proportion

Too tall to measure (Investigation)

Dividing a Quantity into a Given Ratio II

Scales, Maps and Ratios II

Scales, Maps and Ratios (Imperial)

Proportional Relationships

Constant of Proportionality

Proportional Relationships as Equations

Interpreting Proportional Relationships

Golden Ratio (Investigation)

Heart Rate (Investigation)

Graphs and Direct Proportions

Scales, Maps and Ratios III

United Kingdom England

Key Stage 3

Simplifying Ratios with Numeric or Algebraic Terms (2)

Lesson

Worked Examples

Question 1

Simplify the ratio $$47:85

Question 2

Simplify the ratio $$729:6

Question 3

Simplify the ratio $$74x:50x.

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