Keystones — Bedrock
Five GCSE retrieval questions · 2 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 66
Answer: 99 + 66 = 165 -
2. Algebra Substitution
If x = 10, find the value of 7x + 3
Answer: 73 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 13, 20, 18, 5
Answer: 14