Keystones — Bedrock
Five GCSE retrieval questions · 21 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 81 + 54
Answer: 81 + 54 = 135 -
2. Algebra Substitution
If x = 9, find the value of 8x + 4
Answer: 76 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 15, 8, 19
Answer: 14