Keystones — Bedrock
Five GCSE retrieval questions · 20 April 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 20
Answer: 19 + 20 = 39 -
2. Algebra Substitution
If x = 3, find the value of 8x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 10, 18, 12, 2, 8
Answer: 10