Higher
Ratio & proportionWorksheet · Higher
Fix it cards:Direct and inverse proportion
Seven cards, one for each step of a direct or inverse proportion question with a formula such as y = kx² or y = k/√x: write it with ∝, replace ∝ with = k, substitute, find k, write the formula, use it, and check it makes sense. Each has the rule, an example, three questions and a check. Two to an A4 page to cut out.
A free GCSE Higher ratio and proportion worksheet with answers, spec code R13. It goes with the lessons on direct proportion: y = kx and inverse proportion: y = k/x.
Lesson
Direct proportion:y = kx
Lesson
Inverse proportion:y = k/x
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