Keystones — Bedrock
Five GCSE retrieval questions · 2 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 24
Answer: 25 + 24 = 49 -
2. Algebra Substitution
If x = 2, find the value of 5x + 8
Answer: 18 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 10, 4, 4, 10
Answer: 7