Keystones — Cornerstone
Five GCSE retrieval questions · 5 December 2022 · mathsvault.uk/keystones
-
1. Number Adding fractions
Add: 4⁄5 + 6⁄7
Answer: 58⁄35 -
2. Algebra Two-step equations
Solve: 7x + 5 = 89
Answer: x = 12 -
3. Geometry Pythagoras — hypotenuse
Calculate the hypotenuse when a = 10cm and b = 9cm
Answer: 13.45cm -
4. Ratio Sharing in a ratio
Share 15 in the ratio 1:2
Answer: 5 and 10 -
5. Statistics Mean
Find the mean of: 14, 10, 8, 2
Answer: 8.5