Keystones — Bedrock
Five GCSE retrieval questions · 11 August 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 20
Answer: 79 + 20 = 99 -
2. Algebra Substitution
If x = 5, find the value of 4x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 18, 18, 3, 2, 6
Answer: 9.4