Keystones — Cornerstone
Five GCSE retrieval questions · 9 July 2016 · mathsvault.uk/keystones
-
1. Number Adding fractions
Add: 3⁄4 + 2⁄3
Answer: 17⁄12 -
2. Algebra Two-step equations
Solve: 6x + 12 = 60
Answer: x = 8 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 9cm and b = 7cm. Give your answer to 2 decimal places
Answer: 11.4cm -
4. Ratio Sharing in a ratio
Share 35 in the ratio 4:3
Answer: 20 and 15 -
5. Statistics Mean
Find the mean of: 11, 12, 11, 9, 2
Answer: 9