Keystones — Bedrock
Five GCSE retrieval questions · 1 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 81
Answer: 41 + 81 = 122 -
2. Algebra Substitution
If x = 9, find the value of 8x + 6
Answer: 78 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 4, 3, 7, 16
Answer: 7.5