Keystones — Bedrock
Five GCSE retrieval questions · 19 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 56
Answer: 53 + 56 = 109 -
2. Algebra Substitution
If x = 2, find the value of 4x + 5
Answer: 13 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:18
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 9, 12, 23, 8
Answer: 13