Keystones — Bedrock

Five GCSE retrieval questions · 9 April 2024 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₇ + ²⁄₇

Answer: ⁶⁄₇
2. Algebra

Simplify: 9x + 7x

Answer: 16x
3. Geometry

Opposite = 14cm, hypotenuse = 28cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 18:12

Answer: 3:2
5. Statistics

Find the mean of: 6, 19, 15

Answer: 13.333333333333

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