Keystones — Bedrock
Five GCSE retrieval questions · 25 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 92 + 23
Answer: 92 + 23 = 115 -
2. Algebra Substitution
If x = 10, find the value of 2x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 2, 13, 12
Answer: 9