Keystones — Bedrock
Five GCSE retrieval questions · 27 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 43
Answer: 36 + 43 = 79 -
2. Algebra Substitution
If x = 9, find the value of 7x + 9
Answer: 72 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 13, 20, 9
Answer: 14