Keystones — Bedrock
Five GCSE retrieval questions · 5 November 2024 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 88
Answer: 79 + 88 = 167 -
2. Algebra Substitution
If x = 10, find the value of 8x + 5
Answer: 85 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 20, 15, 9, 5, 2
Answer: 10.2