Keystones — Cornerstone
Five GCSE retrieval questions · 13 June 2020 · mathsvault.uk/keystones
-
1. Number Adding fractions
Add: 3⁄6 + 4⁄8
Answer: 1⁄1 -
2. Algebra Two-step equations
Solve: 6x - 17 = 67
Answer: x = 14 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 4cm and b = 14cm
Answer: 14.56cm -
4. Ratio Sharing in a ratio
Share 24 in the ratio 2:1
Answer: 16 and 8 -
5. Statistics Mean
Find the mean of: 9, 3, 4, 19
Answer: 8.75