Keystones — Bedrock
Five GCSE retrieval questions · 12 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 36
Answer: 30 + 36 = 66 -
2. Algebra Substitution
If x = 10, find the value of 7x + 8
Answer: 78 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 2, 3, 19, 18, 3
Answer: 9