Keystones — Bedrock
Five GCSE retrieval questions · 22 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 38
Answer: 22 + 38 = 60 -
2. Algebra Substitution
If x = 3, find the value of 6x + 6
Answer: 24 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:20
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 9, 9, 16, 16
Answer: 12.5