Keystones — Bedrock
Five GCSE retrieval questions · 27 May 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 47
Answer: 99 + 47 = 146 -
2. Algebra Substitution
If x = 3, find the value of 6x + 3
Answer: 21 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 9, 7, 20
Answer: 12