Keystones — Bedrock
Five GCSE retrieval questions · 20 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 86
Answer: 55 + 86 = 141 -
2. Algebra Substitution
If x = 7, find the value of 5x + 9
Answer: 44 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 14, 1, 6
Answer: 7