Ratio and Proportion

Master the relationships between quantities and solve real-world sharing and scaling problems

8 Chapters
8/8 Available
0% Section Progress
0h 0m Time Invested

What You'll Master in This Section

Explore the powerful world of ratios and proportions. Learn to compare quantities, share unequally, find best value, and understand scale in maps and diagrams. These skills are essential for fair sharing, smart shopping, and understanding proportional relationships.

Ratio Notation

Ratio Notation

Understand and use ratio notation to compare quantities accurately

Proportional Sharing

Proportional Sharing

Share quantities unequally using ratios for fair distribution

Scale Factors

Scale Factors

Apply scale factors to maps, diagrams, and similar shapes

Best Value

Best Value

Compare prices and find the best value using unit pricing

Section 4 Chapters

1
Chapter 4.1

Understanding ratio notation (a:b)

Understand ratio as a comparison between quantities. Use ratio notation correctly. Express ratios in simplest form.

45 minutes
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2
Chapter 4.2

Using ratio to describe relationships

Describe relationships between quantities using ratios. Recognize ratios in different contexts. Compare different ratios.

50 minutes
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3
Chapter 4.3

Solving simple ratio problems

Use ratios to solve sharing problems. Calculate unknown quantities in ratio problems. Apply ratio problem-solving strategies.

55 minutes
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4
Chapter 4.4

Scale factors in similar shapes

Understand scale factors in enlargements and reductions. Calculate missing lengths using scale factors. Apply scale factors to real problems.

50 minutes
Hard
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5
Chapter 4.5

Understanding proportion in recipes

Scale recipes up and down proportionally. Maintain ingredient ratios when changing serving sizes. Solve recipe proportion problems.

45 minutes
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6
Chapter 4.6

Unequal sharing using ratio

Share quantities unequally according to given ratios. Solve problems involving unequal distribution. Apply unequal sharing in real contexts.

50 minutes
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7
Chapter 4.7

Best value and unit pricing

Calculate unit prices to compare value. Determine best value options. Apply unit pricing in shopping contexts.

45 minutes
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8
Chapter 4.8

Proportion in maps and diagrams

Use map scales to calculate real distances. Interpret scale drawings and diagrams. Solve problems involving scale and proportion.

55 minutes
Hard
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Section 4 Mastery Checkpoint

Complete all 8 chapters to unlock the comprehensive section assessment covering ratio notation, proportional sharing, scale factors, and real-world applications.

0/8 chapters completed • Assessment locked

What's Next?

After mastering Ratio and Proportion, you'll be ready to explore Section 5: Algebra, where you'll use letters to represent numbers and work with expressions and sequences.

Complete Section 4 First