Keystones — Cornerstone
Five GCSE retrieval questions · 28 June 2021 · mathsvault.uk/keystones
-
1. Number Adding fractions
Add: 2⁄4 + 3⁄6
Answer: 1⁄1 -
2. Algebra Two-step equations
Solve: 7x + 9 = 44
Answer: x = 5 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 12cm and 35cm
Answer: 37cm -
4. Ratio Sharing in a ratio
Share 70 in the ratio 4:1
Answer: 56 and 14 -
5. Statistics Mean
Find the mean of: 15, 3, 6, 16
Answer: 10