Keystones — Bedrock
Five GCSE retrieval questions · 2 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 99
Answer: 85 + 99 = 184 -
2. Algebra Substitution
If x = 7, find the value of 5x + 10
Answer: 45 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 20, 4, 11
Answer: 11.666666666667