Keystones — Bedrock

Five GCSE retrieval questions · 20 April 2022 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₇ + ²⁄₇

Answer: ⁶⁄₇
2. Algebra

Find the next term: 28, 36, 44, 52, ...

Answer: 60
3. Geometry

Opposite = 10cm, hypotenuse = 20cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 21:15

Answer: 7:5
5. Statistics

Find the mean of: 19, 12, 17

Answer: 16

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