Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 39
Answer: 44 + 39 = 83 -
2. Algebra Substitution
If x = 7, find the value of 4x + 7
Answer: 35 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:4
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 15, 14, 15, 15, 12
Answer: 14.2