Keystones — Bedrock
Five GCSE retrieval questions · 20 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 20
Answer: 38 + 20 = 58 -
2. Algebra Substitution
If x = 10, find the value of 7x + 10
Answer: 80 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 4, 12, 7
Answer: 7.6666666666667