Keystones — Bedrock
Five GCSE retrieval questions · 5 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 40
Answer: 47 + 40 = 87 -
2. Algebra Substitution
If x = 2, find the value of 8x + 8
Answer: 24 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 10, 16, 10, 15, 4
Answer: 11