Keystones — Bedrock
Five GCSE retrieval questions · 16 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 92
Answer: 49 + 92 = 141 -
2. Algebra Substitution
If x = 6, find the value of 6x + 4
Answer: 40 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:35
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 19, 13, 8, 20
Answer: 15