Keystones — Bedrock
Five GCSE retrieval questions · 10 May 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 72
Answer: 80 + 72 = 152 -
2. Algebra Substitution
If x = 3, find the value of 5x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 15, 4, 19
Answer: 12.666666666667