Keystones — Cornerstone
Five GCSE retrieval questions · 30 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 48 + 29
Answer: 48 + 29 = 77 -
2. Algebra
Expand: 2(x + 4)
Answer: 2x + 8 -
3. Geometry
Calculate the perimeter of a right triangle with sides 6cm and 5cm
Answer: 18.8cm -
4. Ratio
Simplify: 6:4:8
Answer: 3:2:4 -
5. Statistics
Find the mean of: 11, 3, 4, 11
Answer: 7.25