Keystones — Bedrock
Five GCSE retrieval questions · 5 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 20
Answer: 24 + 20 = 44 -
2. Algebra Substitution
If x = 8, find the value of 8x + 10
Answer: 74 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 5, 19, 4, 20, 7
Answer: 11