Keystones — Bedrock
Five GCSE retrieval questions · 19 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 44
Answer: 43 + 44 = 87 -
2. Algebra Substitution
If x = 3, find the value of 8x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 5, 9, 25, 13
Answer: 13