Keystones — Bedrock
Five GCSE retrieval questions · 22 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 79
Answer: 38 + 79 = 117 -
2. Algebra Substitution
If x = 3, find the value of 4x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 18, 18, 15, 3, 14
Answer: 13.6