Keystones — Bedrock
Five GCSE retrieval questions · 29 December 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 30
Answer: 15 + 30 = 45 -
2. Algebra Substitution
If x = 10, find the value of 8x + 3
Answer: 83 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 11, 3, 18
Answer: 10.666666666667