Keystones — Bedrock
Five GCSE retrieval questions · 13 September 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 99
Answer: 56 + 99 = 155 -
2. Algebra Substitution
If x = 3, find the value of 5x + 11
Answer: 26 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 6, 17, 9, 19, 15
Answer: 13.2