Keystones — Bedrock
Five GCSE retrieval questions · 10 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 74
Answer: 90 + 74 = 164 -
2. Algebra Substitution
If x = 9, find the value of 6x + 7
Answer: 61 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 2, 16, 19
Answer: 12