Keystones — Bedrock
Five GCSE retrieval questions · 11 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 91
Answer: 73 + 91 = 164 -
2. Algebra Substitution
If x = 9, find the value of 3x + 9
Answer: 36 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 17, 19, 2, 5, 7
Answer: 10