Keystones — Bedrock
Five GCSE retrieval questions · 14 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 57
Answer: 88 + 57 = 145 -
2. Algebra Substitution
If x = 9, find the value of 6x + 3
Answer: 57 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 10, 14, 12
Answer: 12