79a

Higher tier only

Form and use an equation for direct proportion to square/cube/square root or inverse proportion

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79a Establish the constant of proportionality for variables which are directly proportional.

79a Establish the constant of proportionality for variables which are directly proportional involving powers/roots.

79a Establish the constant of proportionality for variables which are inversely proportional.

79a Establish the constant of proportionality for variables which are inversely proportional involving powers/roots.

79a Establish the constant of proportionality when 3 variables are involved.

11n: Recognising which operation is required for a word problem

37a: Substitute positive and negative, whole or decimal values into expressions or formulae and evaluate

38a: Using an algebraic formula both forwards and backwards

49a: Write algebraic formulae from a written description

50a: Use graphs of direct or inverse proportion or solve inverse proportion problems

72a: Use and interpret an equation or graph for direct or inverse proportion

Direct proportion

Inverse proportion

Equation

Constant of proportionality

No future learning for this topic

Direct proportion

Inverse proportion

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