Keystones — Cornerstone
Five GCSE retrieval questions · 19 December 2013 · mathsvault.uk/keystones
-
1. Number Adding fractions
Calculate: 1⁄8 + 2⁄8
Answer: 3⁄8 -
2. Algebra Two-step equations
Solve: 5x + 4 = 44
Answer: x = 8 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 12cm and 35cm
Answer: 37cm -
4. Ratio Sharing in a ratio
Share 108 in the ratio 1:2
Answer: 36 and 72 -
5. Statistics Mean
Find the mean of: 14, 4, 24
Answer: 14