Keystones — Bedrock
Five GCSE retrieval questions · 19 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 31
Answer: 16 + 31 = 47 -
2. Algebra Substitution
If x = 3, find the value of 8x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 12, 10, 9, 25
Answer: 14