Keystones — Cornerstone
Five GCSE retrieval questions · 20 August 2022 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 62 + ? = 193
Answer: 131 -
2. Algebra
Factorise: 3x² + 3x
Answer: 3x(x + 1) -
3. Geometry
Opposite = 12cm, adjacent = 8cm. Calculate the angle
Answer: 56.3° -
4. Ratio
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics
Find the mean of: 9, 2, 3
Answer: 4.6666666666667