5. Ratio, Proportion, and Rates of Change - Mathematics

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Contents

5.01 Calculations With Ratios

5.02 Direct and Inverse Proportion

5.03 Discrete Growth and Decay

5.01 Calculations With Ratios

RATIO, PROPORTION, AND RATES OF CHANGE II – OCR GCSE (J560)

Ratios – 5.01a

Dr Thomas Woolley, Cardiff University

RATIO, PROPORTION, AND RATES OF CHANGE II – OCR GCSE (J560)

Expressing Ratios as Fractions – 5.01b, 5.01c, 5.01d

Dr Thomas Woolley, Cardiff University

RATIO, PROPORTION, AND RATES OF CHANGE II – OCR GCSE (J560)

Unit Ratios – 5.01a, 5.01d

Dr Thomas Woolley, Cardiff University

RATIO, PROPORTION, AND RATES OF CHANGE II – OCR GCSE (J560)

Multiplicative Relationships – 5.01b, 5.01c

Dr Thomas Woolley, Cardiff University

RATIO, PROPORTION, AND RATES OF CHANGE II – OCR GCSE (J560)

Ratios in Linear Graphs – 5.01d

Dr Thomas Woolley, Cardiff University

5.02 Direct and Inverse Proportion

RATIO, PROPORTION, AND RATES OF CHANGE II – OCR GCSE (J560)

Proportionality – 5.02a

Dr Thomas Woolley, Cardiff University

RATIO, PROPORTION, AND RATES OF CHANGE III – OCR GCSE (J560): HIGHER TIER

Direct Proportion – 5.02a

Dr Thomas Woolley, Cardiff University

RATIO, PROPORTION, AND RATES OF CHANGE III – OCR GCSE (J560): HIGHER TIER

Inverse Proportion – 5.02b

Dr Thomas Woolley, Cardiff University

RATIO, PROPORTION, AND RATES OF CHANGE III – OCR GCSE (J560): HIGHER TIER

Extending Proportion – 5.02a, 5.02b

Dr Thomas Woolley, Cardiff University

5.03 Discrete Growth and Decay

RATIO, PROPORTION, AND RATES OF CHANGE III – OCR GCSE (J560): HIGHER TIER

Percentages in Financial Mathematics – 5.03a

Dr Thomas Woolley, Cardiff University

RATIO, PROPORTION, AND RATES OF CHANGE IV – OCR GCSE (J560): HIGHER TIER

Growth and Decay 5.03a, 6.03e

Dr Thomas Woolley, Cardiff University

RATIO, PROPORTION, AND RATES OF CHANGE IV – OCR GCSE (J560): HIGHER TIER

Growth and Decay with Multiple Scale Factors – 5.03a

Dr Thomas Woolley, Cardiff University