Maths

Stretch – Two-Step Equations

Stretch (universal 11+): solve two-step equations by undoing operations in reverse order.

MathsAge 11+25 minutes

What this topic covers

  • Solve an + b = c by undoing the add/subtract first, then the multiply.
  • Solve n/a + b = c and a(n + b) = c.
  • Check solutions and handle equations with the unknown on the right.

Core concept summaries

Key ConceptsLast Done, First UndoneOther ShapesCheck; the Wrong-Order Trap

Practice formats pupils may meet

NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.

clozematchingquiz

Example quiz question

3n + 2 = 17. n?

  1. 15
  2. 19
  3. 6.33
  4. 5
Show the answer

Answer: D. 5

− 2, ÷ 3.