Keystones — Bedrock
Five GCSE retrieval questions · 19 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 13
Answer: 47 + 13 = 60 -
2. Algebra Substitution
If x = 6, find the value of 6x + 11
Answer: 47 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 18, 15, 6, 17, 13
Answer: 13.8