Keystones — Bedrock
Five GCSE retrieval questions · 5 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 43
Answer: 20 + 43 = 63 -
2. Algebra Substitution
If x = 10, find the value of 4x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 14, 5, 2, 17
Answer: 9.5