Keystones — Bedrock
Five GCSE retrieval questions · 22 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 32
Answer: 66 + 32 = 98 -
2. Algebra Substitution
If x = 2, find the value of 3x + 8
Answer: 14 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 8, 13, 19, 4
Answer: 11