Keystones — Bedrock
Five GCSE retrieval questions · 29 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 28
Answer: 33 + 28 = 61 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:6
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 12, 20, 10
Answer: 14