Keystones — Bedrock
Five GCSE retrieval questions · 23 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 23
Answer: 23 + 23 = 46 -
2. Algebra Substitution
If x = 8, find the value of 3x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 6, 12, 10, 9
Answer: 9.25