Keystones — Bedrock
Five GCSE retrieval questions · 25 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 94
Answer: 48 + 94 = 142 -
2. Algebra Substitution
If x = 2, find the value of 4x + 10
Answer: 18 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 20, 20, 5
Answer: 15