Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 20
Answer: 46 + 20 = 66 -
2. Algebra Substitution
If x = 4, find the value of 4x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 15, 11, 6
Answer: 10.666666666667