Keystones — Bedrock
Five GCSE retrieval questions · 29 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 81
Answer: 33 + 81 = 114 -
2. Algebra Substitution
If x = 10, find the value of 2x + 10
Answer: 30 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 13, 7, 16, 12
Answer: 12