Keystones — Cornerstone
Five GCSE retrieval questions · 26 December 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 293 + 106
Answer: 293 + 106 = 399 -
2. Algebra
Solve: x + 6 = 13
Answer: x = 7 -
3. Geometry
Find the hypotenuse of a right triangle with sides 6cm and 8cm
Answer: 10cm -
4. Ratio
Simplify: 12:12:15
Answer: 4:4:5 -
5. Statistics
Calculate the range of: 32, 76, 104, 60, 94, 42
Answer: 72