Keystones — Bedrock
Five GCSE retrieval questions · 1 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 24
Answer: 99 + 24 = 123 -
2. Algebra Substitution
If x = 4, find the value of 6x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 11, 18, 16, 6
Answer: 12.75