Keystones — Bedrock
Five GCSE retrieval questions · 11 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 18
Answer: 22 + 18 = 40 -
2. Algebra Substitution
If x = 6, find the value of 7x + 12
Answer: 54 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 2, 12, 11, 10, 15
Answer: 10