Keystones — Bedrock
Five GCSE retrieval questions · 17 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 63
Answer: 51 + 63 = 114 -
2. Algebra Substitution
If x = 7, find the value of 7x + 12
Answer: 61 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 9, 10
Answer: 13