Keystones — Bedrock
Five GCSE retrieval questions · 1 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 60
Answer: 93 + 60 = 153 -
2. Algebra Substitution
If x = 5, find the value of 4x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 9, 14, 3, 10
Answer: 9