Keystones — Bedrock
Five GCSE retrieval questions · 23 April 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 98
Answer: 41 + 98 = 139 -
2. Algebra Substitution
If x = 8, find the value of 6x + 3
Answer: 51 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:12
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 10, 8, 11, 8, 12
Answer: 9.8