Keystones — Bedrock
Five GCSE retrieval questions · 29 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 35
Answer: 34 + 35 = 69 -
2. Algebra Substitution
If x = 10, find the value of 8x + 12
Answer: 92 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 3, 13, 12, 20
Answer: 12