Keystones — Bedrock
Five GCSE retrieval questions · 15 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 59 + 33
Answer: 59 + 33 = 92 -
2. Algebra Substitution
If x = 9, find the value of 7x + 8
Answer: 71 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 12, 8, 12, 12
Answer: 11