MathsYears 7–8Algebra

Graphs

Plot and interpret straight-line graphs; find gradient and y-intercept; use y = mx + c

What you'll learn

  1. 1

    A graph is a picture of numbers. Imagine you asked 10 friends their favourite colour and drew a bar for each answer.

  2. 2

    If 5 friends pick blue 🟦 and 3 pick red 🟥, which bar is taller?

  3. 3

    Look at this bar chart of pets. How many goldfish are there?

  4. 4

    Let's read a graph together — favourite fruits 🍎🍌🍊

  5. 5

    In the fruit graph, if apples = 5 and bananas = 3, how many more people like apples?

  6. 6

    Now you try! Read this bar chart about favourite sports ⚽🏀🎾

  7. 7

    What does the height of a bar tell you?

Practise Graphs with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 11–13. Aligned to the UK National Curriculum.