Keystones — Bedrock
Five GCSE retrieval questions · 29 June 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 83 + 91
Answer: 83 + 91 = 174 -
2. Algebra Substitution
If x = 9, find the value of 4x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 18, 16, 10, 8, 13
Answer: 13