Keystones — Bedrock
Five GCSE retrieval questions · 24 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 22
Answer: 56 + 22 = 78 -
2. Algebra Substitution
If x = 2, find the value of 7x + 5
Answer: 19 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 3, 19, 20
Answer: 14