Keystones — Bedrock
Five GCSE retrieval questions · 1 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 14
Answer: 19 + 14 = 33 -
2. Algebra Substitution
If x = 2, find the value of 7x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 19, 20, 9, 11
Answer: 14.75