Keystones — Bedrock
Five GCSE retrieval questions · 28 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 33
Answer: 52 + 33 = 85 -
2. Algebra Substitution
If x = 10, find the value of 7x + 12
Answer: 82 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 3, 3, 2, 2, 20
Answer: 6