Keystones — Bedrock
Five GCSE retrieval questions · 23 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 27
Answer: 78 + 27 = 105 -
2. Algebra Substitution
If x = 4, find the value of 6x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 2, 20, 5
Answer: 9