Skip to content

Number and proportion

Negative numbers, then the proportional thinking behind percentages and ratios.

Integers extend the number line below zero. Percentages and ratios are two ways of comparing quantities proportionally, and students who see the link between them find both easier.

  1. Integers and Negative Numbers

    Operations with negative numbers on the number line.

    Ages 12–13 17 slides 40 min
  2. Percentages

    Percentages of amounts, increases and decreases.

    Ages 11–14 15 slides 45 min
  3. Ratio and Proportion

    Sharing in a ratio and direct proportion.

    Ages 11–14 16 slides 45 min

More maths: all maths lessons.