Keystones — Bedrock
Five GCSE retrieval questions · 19 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 41
Answer: 21 + 41 = 62 -
2. Algebra Substitution
If x = 8, find the value of 7x + 8
Answer: 64 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 5, 19, 10, 13
Answer: 11.75