Keystones — Bedrock
Five GCSE retrieval questions · 4 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 33
Answer: 25 + 33 = 58 -
2. Algebra Substitution
If x = 9, find the value of 3x + 11
Answer: 38 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 19, 18, 19, 2
Answer: 14.5