Keystones — Bedrock
Five GCSE retrieval questions · 29 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 10
Answer: 25 + 10 = 35 -
2. Algebra Substitution
If x = 8, find the value of 8x + 7
Answer: 71 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 7, 12, 2
Answer: 7