Keystones — Bedrock
Five GCSE retrieval questions · 23 February 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 28
Answer: 22 + 28 = 50 -
2. Algebra Substitution
If x = 2, find the value of 8x + 5
Answer: 21 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 7, 11, 6, 15, 2
Answer: 8.2