Number Systems and Proportionality · Number and Operations

Compound Units and Direct Proportions

Applying proportional reasoning to physical contexts such as density, pressure, and kinematic relationships.

Key Questions

  1. 1How does the choice of unit affect the precision and interpretation of a rate of change?
  2. 2What distinguishes a linear relationship from a directly proportional one?
  3. 3In what ways can graphical representations reveal hidden constants of proportionality?

National Curriculum Attainment Targets

GCSE: Mathematics - Ratio, Proportion and Rates of Change
Year: Year 10
Subject: Mathematics
Unit: Number Systems and Proportionality
Period: Number and Operations

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