Keystones — Bedrock
Five GCSE retrieval questions · 20 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 87
Answer: 90 + 87 = 177 -
2. Algebra Substitution
If x = 4, find the value of 6x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 11, 17, 2
Answer: 10