Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 32
Answer: 48 + 32 = 80 -
2. Algebra Substitution
If x = 10, find the value of 2x + 3
Answer: 23 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:4
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 10, 22, 4
Answer: 12