Keystones — Bedrock
Five GCSE retrieval questions · 25 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 31
Answer: 79 + 31 = 110 -
2. Algebra Substitution
If x = 7, find the value of 2x + 11
Answer: 25 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 3, 11, 7, 6, 5
Answer: 6.4