Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 18
Answer: 41 + 18 = 59 -
2. Algebra Substitution
If x = 9, find the value of 4x + 4
Answer: 40 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 15, 8, 4, 17
Answer: 11