Keystones — Bedrock
Five GCSE retrieval questions · 14 August 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 72
Answer: 98 + 72 = 170 -
2. Algebra Substitution
If x = 5, find the value of 4x + 6
Answer: 26 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:20
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 15, 15, 11, 6
Answer: 11.75