Keystones — Bedrock
Five GCSE retrieval questions · 6 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 34
Answer: 51 + 34 = 85 -
2. Algebra Substitution
If x = 3, find the value of 6x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:6
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 15, 6, 20, 4, 20
Answer: 13