Question P6 Algebra basics
Today’s problem — free all day, every step. Every day has one.
Solve 4x + 4 = 28.
Answer
See all 6 steps
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Use a letter for an unknown number and work with what it means.
In this one. Keep both sides equal. Undo addition on both sides, then undo multiplication on both sides.
A story with a repeated cost and a fixed fee, written as an expression like 4x + 4, points here. So does a value for x to substitute in.
Children swap the two numbers round, using the fixed fee as the price per ticket and the price per ticket as the fixed fee.
Worked examples of all 33 patterns and skills, in a booklet you can print.