Keystones — Bedrock
Five GCSE retrieval questions · 19 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 81 + 67
Answer: 81 + 67 = 148 -
2. Algebra Substitution
If x = 3, find the value of 8x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 15, 9, 18, 15, 13
Answer: 14