Keystones — Bedrock
Five GCSE retrieval questions · 26 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 59
Answer: 80 + 59 = 139 -
2. Algebra Substitution
If x = 7, find the value of 7x + 7
Answer: 56 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 19, 2, 8, 15
Answer: 11