Keystones — Bedrock
Five GCSE retrieval questions · 23 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 79
Answer: 41 + 79 = 120 -
2. Algebra Substitution
If x = 10, find the value of 7x + 9
Answer: 79 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 3, 6, 2, 6, 8
Answer: 5