Keystones — Bedrock
Five GCSE retrieval questions · 1 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 47
Answer: 91 + 47 = 138 -
2. Algebra Substitution
If x = 9, find the value of 4x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 6, 22, 5
Answer: 11