Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 22
Answer: 33 + 22 = 55 -
2. Algebra Substitution
If x = 9, find the value of 4x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 10, 18, 19, 19
Answer: 16.5