Keystones — Bedrock
Five GCSE retrieval questions · 24 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 23
Answer: 18 + 23 = 41 -
2. Algebra Substitution
If x = 10, find the value of 4x + 5
Answer: 45 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 19, 5, 20
Answer: 14.666666666667