Keystones — Bedrock
Five GCSE retrieval questions · 10 June 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 21
Answer: 49 + 21 = 70 -
2. Algebra Substitution
If x = 8, find the value of 6x + 6
Answer: 54 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 5, 7, 9, 18, 11
Answer: 10