Keystones — Cornerstone
Five GCSE retrieval questions · 6 April 2021 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 32 + ? = 175
Answer: 143 -
2. Algebra
Simplify: 6x + 6x
Answer: 12x -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 12:15:12
Answer: 4:5:4 -
5. Statistics
Find the mean of: 4, 17, 4
Answer: 8.3333333333333