Keystones — Bedrock
Five GCSE retrieval questions · 18 January 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 84
Answer: 75 + 84 = 159 -
2. Algebra Substitution
If x = 8, find the value of 7x + 8
Answer: 64 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 17, 7, 14, 18
Answer: 14