Keystones — Bedrock
Five GCSE retrieval questions · 9 June 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 20
Answer: 36 + 20 = 56 -
2. Algebra Substitution
If x = 10, find the value of 7x + 12
Answer: 82 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 11, 10, 2, 9, 5
Answer: 7.4