Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 65
Answer: 79 + 65 = 144 -
2. Algebra Substitution
If x = 6, find the value of 8x + 7
Answer: 55 -
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: 20, 17, 17, 2
Answer: 14