Keystones — Lintel

Five GCSE retrieval questions · 21 April 2022 · mathsvault.uk/keystones

1. Number

What is the missing number: 78 + ? = 106

Answer: 28
2. Algebra

Solve: ^x⁄₃ = 5.3333333333333

Answer: x = 16
3. Geometry

Adjacent = 29cm, hypotenuse = 39cm. Find the angle

Answer: 42°
4. Ratio

Find 39% of 57

Answer: 22.23
5. Statistics

A spinner has 3 red, 4 blue and 4 green sections. Probability of landing on red?

Answer: ³⁄₁₁

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