Chapter 3.1
Simplifying ratios
Reduce ratios to their simplest form confidently.
Chapters
12
Ratios, best buys, speed & density.
Time invested
9 hrs
Approximate guided learning.
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Chapter 3.2
Dividing in a given ratio
Share quantities accurately using ratio splits.
Chapter 3.3
Using ratios in context
Apply ratios to recipes, sports, and classroom scenarios.
Chapter 3.4
Scale factors and maps
Use map scales to relate diagrams to real distances.
Chapter 3.5
Scale drawings and diagrams
Create accurate diagrams using proportional reasoning.
Chapter 3.6
Direct proportion
Link variables that grow together using tables and graphs.
Chapter 3.7
Inverse proportion
Model inverse relationships and interpret graphs.
Chapter 3.8
Best buy problems
Compare offers using unit pricing to spot value.
Chapter 3.9
Proportion in recipes
Scale ingredient lists up or down for any serving size.
Chapter 3.10
Unit pricing & conversions
Convert measurements and compare different units.
Chapter 3.11
Speed, distance, time
Use the speed triangle to solve journey problems.
Chapter 3.12
Density, mass & volume
Apply the density formula in physics-style contexts.
Next steps
Need more fluency? Revisit Section 2 for fraction-decimal-percentage mastery or step forward into algebraic expressions.