Keystones — Bedrock
Five GCSE retrieval questions · 4 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 31
Answer: 28 + 31 = 59 -
2. Algebra Substitution
If x = 10, find the value of 4x + 12
Answer: 52 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 18, 15, 5, 14
Answer: 13