Linear, quadratic and exponential change

Tell linear, quadratic and exponential patterns apart using differences and ratios, and choose the right model for a real situation.

⏱ 20 min❓ 10 questions

What you'll be able to do

✔I can use first differences, second differences and ratios to classify a pattern as linear, quadratic or exponential
✔I can recognise the shape of linear, quadratic and exponential graphs
✔I can choose a suitable model for a real situation and use it to make predictions

How this works

1Read the short explanations first — they teach you what you need before each question.
2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.

What's inside

10 questions and 1 quick teaching card, including:

🔗Match the pairs — Choose the partner that goes with each item.
🔢Number answer — Work out the answer and type the number.

👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.

Curriculum: AC9M9A05