Keystones — Bedrock
Five GCSE retrieval questions · 28 April 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 41
Answer: 24 + 41 = 65 -
2. Algebra Substitution
If x = 6, find the value of 6x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 7, 8, 7, 19, 7
Answer: 9.6