Keystones — Bedrock
Five GCSE retrieval questions · 5 August 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 97
Answer: 72 + 97 = 169 -
2. Algebra Substitution
If x = 9, find the value of 2x + 9
Answer: 27 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 16, 2, 9, 18
Answer: 11.25