Keystones — Bedrock
Five GCSE retrieval questions · 3 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 53
Answer: 23 + 53 = 76 -
2. Algebra Substitution
If x = 7, find the value of 6x + 11
Answer: 53 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 8, 11, 19, 18
Answer: 14