Keystones — Cornerstone
Five GCSE retrieval questions · 27 December 2021 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 38 + ? = 172
Answer: 134 -
2. Algebra
Collect like terms: 8x + 5y + 4x + 6y
Answer: 12x + 11y -
3. Geometry
Find the area of a right triangle with base 7cm and height 11cm
Answer: 38.5cm² -
4. Ratio
Calculate 25% of 31
Answer: 7.75 -
5. Statistics
Calculate the range of: 76, 88, 58, 53, 44, 37
Answer: 51