Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 95
Answer: 27 + 95 = 122 -
2. Algebra Substitution
If x = 5, find the value of 4x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 6, 8, 16
Answer: 10