Keystones — Bedrock
Five GCSE retrieval questions · 5 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 39
Answer: 77 + 39 = 116 -
2. Algebra Substitution
If x = 5, find the value of 4x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 13, 19, 15, 3, 15
Answer: 13