Keystones — Bedrock
Five GCSE retrieval questions · 2 March 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 72
Answer: 54 + 72 = 126 -
2. Algebra Substitution
If x = 10, find the value of 4x + 10
Answer: 50 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 18, 15, 19, 20
Answer: 18