Keystones — Bedrock
Five GCSE retrieval questions · 6 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 22
Answer: 77 + 22 = 99 -
2. Algebra Substitution
If x = 7, find the value of 4x + 6
Answer: 34 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 8, 6, 15, 16, 9
Answer: 10.8