Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 24
Answer: 24 + 24 = 48 -
2. Algebra Substitution
If x = 9, find the value of 6x + 9
Answer: 63 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 16, 15, 7
Answer: 12.666666666667