Keystones — Bedrock
Five GCSE retrieval questions · 20 January 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 82
Answer: 91 + 82 = 173 -
2. Algebra Substitution
If x = 8, find the value of 3x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 18, 13, 18
Answer: 16.333333333333