Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 25
Answer: 68 + 25 = 93 -
2. Algebra Substitution
If x = 9, find the value of 5x + 3
Answer: 48 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 5, 4, 16, 14, 16
Answer: 11