Keystones — Cornerstone
Five GCSE retrieval questions · 19 September 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 199, 152, and 148
Answer: 499 -
2. Algebra
Simplify: 6x + 7x
Answer: 13x -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify: 8:10:4
Answer: 4:5:2 -
5. Statistics
Calculate the mean of: 16, 29, 24, 24, 11, 40
Answer: 24