Keystones — Bedrock
Five GCSE retrieval questions · 10 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 77
Answer: 22 + 77 = 99 -
2. Algebra Substitution
If x = 8, find the value of 6x + 6
Answer: 54 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 15, 7, 20
Answer: 14