Keystones — Bedrock
Five GCSE retrieval questions · 17 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 34
Answer: 73 + 34 = 107 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 5, 12, 13, 14
Answer: 11