Solving real-world problems with formulae

What you'll learn

1. 1

   A formula is like a recipe that tells you exactly what to do with numbers to solve a problem. 🧑‍🍳

2. 2

   What does a formula do?

3. 3

   Let's use a formula to find out how much paint you need for a wall. 🎨

4. 4

   Now you try! Use the formula to find the paint for a 4m high, 6m wide wall. 🖌️

5. 5

   Using the paint formula (height × width ÷ 10), how many litres for a 4m × 6m wall?

6. 6

   Another formula: speed = distance ÷ time. 🚗

7. 7

   Using speed = distance ÷ time, what is the speed if you go 200 miles in 4 hours?