Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 32
Answer: 25 + 32 = 57 -
2. Algebra Substitution
If x = 7, find the value of 2x + 5
Answer: 19 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 19, 3, 17
Answer: 13