Keystones — Bedrock
Five GCSE retrieval questions · 24 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 58
Answer: 64 + 58 = 122 -
2. Algebra Substitution
If x = 5, find the value of 3x + 8
Answer: 23 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 18, 9, 15, 14
Answer: 14