Keystones — Capstone
Five GCSE retrieval questions · 25 August 2022 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Factorise fully: 12x² + 16x
Answer: 4x(3x + 4) -
3. Geometry
Adjacent = 24cm, hypotenuse = 37cm. Find the angle
Answer: 49.6° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 3 blue and 6 green sections. Probability of landing on red?
Answer: 2⁄5