Keystones — Bedrock
Five GCSE retrieval questions · 14 September 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 70
Answer: 77 + 70 = 147 -
2. Algebra Substitution
If x = 5, find the value of 5x + 5
Answer: 30 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 18, 9, 7, 6, 10
Answer: 10