Keystones — Bedrock
Five GCSE retrieval questions · 27 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 77
Answer: 64 + 77 = 141 -
2. Algebra Substitution
If x = 9, find the value of 5x + 5
Answer: 50 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 5, 7, 18
Answer: 10