Keystones — Bedrock
Five GCSE retrieval questions · 31 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 21
Answer: 35 + 21 = 56 -
2. Algebra Substitution
If x = 4, find the value of 7x + 12
Answer: 40 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 5, 17, 17
Answer: 13