Keystones — Bedrock
Five GCSE retrieval questions · 27 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 25
Answer: 25 + 25 = 50 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 11, 3, 16
Answer: 10