Keystones — Bedrock
Five GCSE retrieval questions · 11 July 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 23
Answer: 33 + 23 = 56 -
2. Algebra Substitution
If x = 3, find the value of 4x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 2, 15, 12
Answer: 9.6666666666667