Keystones — Bedrock
Five GCSE retrieval questions · 16 April 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 28
Answer: 35 + 28 = 63 -
2. Algebra Substitution
If x = 8, find the value of 8x + 11
Answer: 75 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 15, 4, 8, 11, 7
Answer: 9