Keystones — Cornerstone
Five GCSE retrieval questions · 31 July 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 53 + 38
Answer: 53 + 38 = 91 -
2. Algebra
Solve: 5x = 15
Answer: x = 3 -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Find 37% of 127
Answer: 46.99 -
5. Statistics
A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3