Keystones — Cornerstone
Five GCSE retrieval questions · 16 June 2019 · mathsvault.uk/keystones
-
1. Number Adding fractions
Add: 1⁄4 + 6⁄8
Answer: 1⁄1 -
2. Algebra Two-step equations
Solve: 3x + 10 = 37
Answer: x = 9 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 9cm and 12cm
Answer: 15cm -
4. Ratio Sharing in a ratio
Share 36 in the ratio 3:1
Answer: 27 and 9 -
5. Statistics Mean
Find the mean of: 6, 5, 8
Answer: 6.3333333333333