Keystones — Bedrock
Five GCSE retrieval questions · 29 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 21
Answer: 54 + 21 = 75 -
2. Algebra Substitution
If x = 6, find the value of 5x + 7
Answer: 37 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 16, 19, 13, 10
Answer: 14.5