Keystones — Bedrock
Five GCSE retrieval questions · 25 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 79
Answer: 78 + 79 = 157 -
2. Algebra Substitution
If x = 9, find the value of 4x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 6, 8
Answer: 6