Keystones — Bedrock
Five GCSE retrieval questions · 16 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 59 + 72
Answer: 59 + 72 = 131 -
2. Algebra Substitution
If x = 10, find the value of 7x + 9
Answer: 79 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 6, 15, 18, 5, 11
Answer: 11