Keystones — Bedrock
Five GCSE retrieval questions · 28 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 21
Answer: 10 + 21 = 31 -
2. Algebra Substitution
If x = 6, find the value of 5x + 5
Answer: 35 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:32
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 13, 11, 4, 7
Answer: 8.75