Keystones — Bedrock
Five GCSE retrieval questions · 12 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 18
Answer: 32 + 18 = 50 -
2. Algebra Substitution
If x = 3, find the value of 8x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 19, 12, 4, 18, 2
Answer: 11