Keystones — Bedrock
Five GCSE retrieval questions · 22 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 36
Answer: 21 + 36 = 57 -
2. Algebra Substitution
If x = 10, find the value of 6x + 5
Answer: 65 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 12, 20, 2, 17, 14
Answer: 13