Keystones — Bedrock
Five GCSE retrieval questions · 10 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 10
Answer: 25 + 10 = 35 -
2. Algebra Substitution
If x = 3, find the value of 6x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 6, 16, 16, 18
Answer: 14