Keystones — Bedrock
Five GCSE retrieval questions · 11 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 48
Answer: 22 + 48 = 70 -
2. Algebra Substitution
If x = 2, find the value of 8x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 2, 7, 16, 16, 9
Answer: 10