Keystones — Bedrock
Five GCSE retrieval questions · 28 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 38
Answer: 38 + 38 = 76 -
2. Algebra Substitution
If x = 5, find the value of 6x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 24, 4, 5
Answer: 11