Keystones — Cornerstone
Five GCSE retrieval questions · 17 January 2022 · mathsvault.uk/keystones
-
1. Number
Simplify: x3 × x4
Answer: x7 -
2. Algebra
Solve: x + 10 = 23
Answer: x = 13 -
3. Geometry
Calculate the hypotenuse when a = 11cm and b = 9cm
Answer: 14.21cm -
4. Ratio
Find 65% of 333
Answer: 216.45 -
5. Statistics
Calculate the mean of: 30, 26, 23, 28, 36, 49, 6
Answer: 28.3