Keystones — Bedrock
Five GCSE retrieval questions · 7 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 31
Answer: 87 + 31 = 118 -
2. Algebra Substitution
If x = 3, find the value of 5x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 13, 7, 7, 12
Answer: 9.75