Keystones — Bedrock
Five GCSE retrieval questions · 15 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 98
Answer: 37 + 98 = 135 -
2. Algebra Substitution
If x = 3, find the value of 4x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 16, 20, 2
Answer: 12.666666666667