Keystones — Bedrock
Five GCSE retrieval questions · 1 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 25
Answer: 54 + 25 = 79 -
2. Algebra Substitution
If x = 6, find the value of 4x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 17, 10, 15
Answer: 14