79a

Higher tier only

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

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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