Keystones — Cornerstone
Five GCSE retrieval questions · 14 May 2013 · mathsvault.uk/keystones
-
1. Number Adding fractions
Calculate: 4⁄8 + 2⁄8
Answer: 3⁄4 -
2. Algebra Two-step equations
Solve: 4x + 10 = 34
Answer: x = 6 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 5cm and b = 13cm. Give your answer to 2 decimal places
Answer: 13.93cm -
4. Ratio Sharing in a ratio
Share 70 in the ratio 3:4
Answer: 30 and 40 -
5. Statistics Mean
Find the mean of: 5, 2, 8, 13
Answer: 7