Keystones — Bedrock
Five GCSE retrieval questions · 3 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 14
Answer: 38 + 14 = 52 -
2. Algebra Substitution
If x = 8, find the value of 8x + 10
Answer: 74 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 12, 7, 5, 19, 17
Answer: 12