Keystones — Bedrock
Five GCSE retrieval questions · 4 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 77
Answer: 77 + 77 = 154 -
2. Algebra Substitution
If x = 2, find the value of 3x + 6
Answer: 12 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 2, 16, 4
Answer: 7.3333333333333