Keystones — Cornerstone
Five GCSE retrieval questions · 10 April 2024 · mathsvault.uk/keystones
-
1. Number
Calculate: 609 + 817
Answer: 609 + 817 = 1426 -
2. Algebra
What is the next term? 7, 21, 63, 189, ...
Answer: 567 -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 20:35
Answer: 4:7 -
5. Statistics
Calculate the range of: 40, 36, 49, 62, 64, 75
Answer: 39