Keystones — Bedrock
Five GCSE retrieval questions · 2 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 33
Answer: 34 + 33 = 67 -
2. Algebra Substitution
If x = 4, find the value of 8x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 12, 5, 18, 10
Answer: 11.25