Keystones — Bedrock
Five GCSE retrieval questions · 20 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 29
Answer: 23 + 29 = 52 -
2. Algebra Substitution
If x = 7, find the value of 8x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 18, 20, 4, 14
Answer: 14