Keystones — Bedrock
Five GCSE retrieval questions · 14 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 69
Answer: 68 + 69 = 137 -
2. Algebra Substitution
If x = 8, find the value of 3x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 15, 15, 9, 15
Answer: 13.5