Keystones — Bedrock
Five GCSE retrieval questions · 14 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 47
Answer: 15 + 47 = 62 -
2. Algebra Substitution
If x = 10, find the value of 8x + 4
Answer: 84 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 9, 7, 4
Answer: 6.6666666666667