Keystones — Bedrock
Five GCSE retrieval questions · 27 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 45
Answer: 63 + 45 = 108 -
2. Algebra Substitution
If x = 3, find the value of 5x + 11
Answer: 26 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 11, 2, 15, 12
Answer: 10