Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 84
Answer: 76 + 84 = 160 -
2. Algebra Substitution
If x = 8, find the value of 5x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 13, 6, 3, 20
Answer: 10.5