Chapter 12: Ratio and Proportion
๐ About this chapter
Comparing quantities using ratio, equivalent ratios, proportion and unitary method.
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Learning Objectives
By end of this chapter you will:
1
Understand Ratio and Equivalent Ratios2
Apply 2 key formulas3
Define: Ratio, Equivalent ratio, Proportion4
Solve NCERT exercises confidently๐ Prerequisites
๐Chapter 11 concepts
๐ Chapter Stats
Difficulty๐ฑ Beginner
Est. Time38 min
Topics4
Formulas2
Experiments0
Progress0%
๐ก Did You Know?
โฆRatio is used in map scales (1:50,000 means 1cm = 500m)
โฆGolden ratio (~1.618) appears in art, architecture and nature
โฆCooking recipes use proportion (more people = more ingredients in same ratio)
๐ Key Terms(click any term for AI explanation)