Keystones — Bedrock
Five GCSE retrieval questions · 27 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 77
Answer: 80 + 77 = 157 -
2. Algebra Substitution
If x = 10, find the value of 7x + 4
Answer: 74 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 7, 8, 6
Answer: 7