Keystones — Bedrock
Five GCSE retrieval questions · 12 April 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 40
Answer: 23 + 40 = 63 -
2. Algebra Substitution
If x = 8, find the value of 4x + 5
Answer: 37 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 21, 5, 19
Answer: 15