Keystones — Bedrock
Five GCSE retrieval questions · 10 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 38
Answer: 99 + 38 = 137 -
2. Algebra Substitution
If x = 2, find the value of 4x + 8
Answer: 16 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 9, 11, 6
Answer: 8.6666666666667