Keystones — Cornerstone

Five GCSE retrieval questions · 17 June 2024 · mathsvault.uk/keystones

1. Number

53000000

Answer: 5.3 × 10⁷
2. Algebra

Solve: x + 2 = 16

Answer: x = 14
3. Geometry

Opposite = 16cm, adjacent = 19cm. Calculate the angle

Answer: 40.1°
4. Ratio

Find 55% of 465

Answer: 255.75
5. Statistics

Find the range of: 13, 22, 18, 14, 23

Answer: 10

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