Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 18
Answer: 28 + 18 = 46 -
2. Algebra Substitution
If x = 5, find the value of 7x + 11
Answer: 46 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 13, 10, 20, 3
Answer: 11.5