Keystones — Bedrock
Five GCSE retrieval questions · 25 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 71
Answer: 95 + 71 = 166 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 3, 18, 8, 19
Answer: 12