Keystones — Cornerstone
Five GCSE retrieval questions · 20 November 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 556 + 983
Answer: 556 + 983 = 1539 -
2. Algebra
Collect like terms: 4x + 7y + 5x + 7y
Answer: 9x + 14y -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 9:6:6
Answer: 3:2:2 -
5. Statistics
Calculate the mean of: 37, 41, 32, 48, 9, 26, 40, 25
Answer: 32.3