Keystones — Bedrock
Five GCSE retrieval questions · 21 January 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 75
Answer: 36 + 75 = 111 -
2. Algebra Substitution
If x = 9, find the value of 4x + 11
Answer: 47 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 9, 17, 12, 11
Answer: 12.25