Keystones — Bedrock
Five GCSE retrieval questions · 16 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 65
Answer: 90 + 65 = 155 -
2. Algebra Substitution
If x = 5, find the value of 6x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:20
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 2, 14, 7, 4
Answer: 6.75