Gradient of a line

Measure the steepness of a line segment with rise over run and the gradient formula, and interpret positive, negative, zero and undefined gradients.

⏱ 18 min❓ 10 questions

What you'll be able to do

✔I can calculate a gradient using rise over run and the formula m = (y₂ − y₁)/(x₂ − x₁)
✔I can describe lines with positive, negative, zero and undefined gradients
✔I can interpret gradient in real situations such as ramps and roads

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:

🔢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: AC9M9A03