Keystones — Bedrock
Five GCSE retrieval questions · 4 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 13 + 13
Answer: 13 + 13 = 26 -
2. Algebra
Simplify: 8x + 4x
Answer: 12x -
3. Geometry
Opposite = 8cm, hypotenuse = 11.3cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics
Find the mean of: 16, 18, 12
Answer: 15.333333333333