Keystones — Bedrock
Five GCSE retrieval questions · 21 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 26
Answer: 16 + 26 = 42 -
2. Algebra Substitution
If x = 9, find the value of 2x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 16, 4, 16, 20, 4
Answer: 12