Comparing Quantities and Proportions · Commercial Math

Ratios and Percentages

Using proportional reasoning to compare different sets of data and represent changes.

Key Questions

  1. 1How does a percentage provide a more standardized comparison than a raw ratio?
  2. 2Why does a 10 percent increase followed by a 10 percent decrease not return you to the original value?
  3. 3How are ratios used in map scaling and architectural models?

CBSE Learning Outcomes

CBSE: Comparing Quantities - Class 7
Class: Class 7
Subject: Mathematics
Unit: Comparing Quantities and Proportions
Period: Commercial Math

Suggested Methodologies

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