Keystones — Cornerstone
Five GCSE retrieval questions · 3 May 2016 · mathsvault.uk/keystones
-
1. Number Adding fractions
Add: 4⁄6 + 2⁄4
Answer: 7⁄6 -
2. Algebra Two-step equations
Solve: 2x + 15 = 37
Answer: x = 11 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 9cm and 40cm
Answer: 41cm -
4. Ratio Sharing in a ratio
Divide 120 in the ratio 1:1:2
Answer: 30, 30 and 60 -
5. Statistics Mean
Find the mean of: 22, 6, 17
Answer: 15