Keystones — Bedrock
Five GCSE retrieval questions · 2 April 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 22
Answer: 98 + 22 = 120 -
2. Algebra Substitution
If x = 3, find the value of 6x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 6, 12, 18, 17, 6
Answer: 11.8