Keystones — Bedrock
Five GCSE retrieval questions · 20 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 87
Answer: 66 + 87 = 153 -
2. Algebra Substitution
If x = 5, find the value of 7x + 11
Answer: 46 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 5, 11, 13, 4, 20
Answer: 10.6