Keystones — Bedrock
Five GCSE retrieval questions · 14 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 44
Answer: 25 + 44 = 69 -
2. Algebra Substitution
If x = 9, find the value of 6x + 4
Answer: 58 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 15, 7, 19, 9, 4
Answer: 10.8