Keystones — Bedrock
Five GCSE retrieval questions · 23 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 18
Answer: 46 + 18 = 64 -
2. Algebra Substitution
If x = 4, find the value of 8x + 7
Answer: 39 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 4, 9, 15, 10
Answer: 9.5