Keystones — Bedrock
Five GCSE retrieval questions · 11 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 35
Answer: 24 + 35 = 59 -
2. Algebra Substitution
If x = 9, find the value of 8x + 4
Answer: 76 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 17, 8, 5, 15
Answer: 11.25