Keystones — Cornerstone
Five GCSE retrieval questions · 10 February 2022 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 53 + ? = 172
Answer: 119 -
2. Algebra
Solve: 6x + 7 = 5x + 10
Answer: x = 3 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 9:18:9
Answer: 1:2:1 -
5. Statistics
Find the range of: 31, 32, 23, 13, 19
Answer: 19