Keystones — Bedrock
Five GCSE retrieval questions · 28 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 31
Answer: 16 + 31 = 47 -
2. Algebra Substitution
If x = 7, find the value of 4x + 9
Answer: 37 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 19, 14, 8, 4, 16
Answer: 12.2