Keystones — Bedrock
Five GCSE retrieval questions · 6 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 92
Answer: 72 + 92 = 164 -
2. Algebra Substitution
If x = 4, find the value of 4x + 10
Answer: 26 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 10, 5, 15
Answer: 10