Keystones — Bedrock
Five GCSE retrieval questions · 23 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 19
Answer: 14 + 19 = 33 -
2. Algebra Substitution
If x = 9, find the value of 3x + 10
Answer: 37 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 15, 9, 8
Answer: 10.666666666667