Keystones — Bedrock
Five GCSE retrieval questions · 10 January 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 66
Answer: 73 + 66 = 139 -
2. Algebra Substitution
If x = 5, find the value of 5x + 5
Answer: 30 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 10, 14, 20, 12
Answer: 14