Keystones — Bedrock
Five GCSE retrieval questions · 17 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 81 + 98
Answer: 81 + 98 = 179 -
2. Algebra Substitution
If x = 2, find the value of 4x + 5
Answer: 13 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 19, 17, 16
Answer: 17.333333333333