Keystones — Bedrock
Five GCSE retrieval questions · 30 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 52
Answer: 46 + 52 = 98 -
2. Algebra Substitution
If x = 10, find the value of 8x + 10
Answer: 90 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 20, 2, 16, 4, 8
Answer: 10