Keystones — Capstone

Five GCSE retrieval questions · 23 August 2024 · mathsvault.uk/keystones

1. Number

Calculate: 991 + 562

Answer: 1553
2. Algebra

Solve: ^x⁄₆ = 1.8333333333333

Answer: x = 11
3. Geometry

Adjacent = 28cm, hypotenuse = 41cm. Find the angle

Answer: 46.9°
4. Ratio

Simplify the ratio 3m:300cm

Answer: 1:100
5. Statistics

The mean of 6 numbers is 35. If 5 of them are 28, 42, 21, 47, 24, what is the missing number?

Answer: 48

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