AC9M7A01Year 7AlgebraPractised on site

AC9M7A01 — Year 7 Algebra

Official Curriculum Content Description:

recognise and use variables to represent everyday formulas algebraically and substitute values into formulas to determine an unknown

Worked Examples (1)

Example 1Evaluating Formulas
Use the formula P=4sP = 4s to find the perimeter PP of a regular 4-sided polygon when the side length s=15s = 15.
Common mistake: Substituted incorrectly or violated order of operations (BODMAS)
Correct Answer:6060
Worked Solution:
1. Substitute s=15s = 15 into the formula: P=4×15P = 4 \times 15 2. Multiply: P=60P = 60

Ready to practise this descriptor?

Work through unlimited interactive questions for this curriculum skill, with instant answers and step-by-step methods.

Start unlimited online practicePrint Year 7 worksheet