Keystones — Bedrock
Five GCSE retrieval questions · 17 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 33
Answer: 32 + 33 = 65 -
2. Algebra Substitution
If x = 9, find the value of 7x + 3
Answer: 66 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:24
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 18, 10, 13, 15, 20
Answer: 15.2