Keystones — Bedrock
Five GCSE retrieval questions · 12 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 21
Answer: 84 + 21 = 105 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 5, 8, 20, 20
Answer: 13.25