Keystones — Cornerstone
Five GCSE retrieval questions · 17 March 2019 · mathsvault.uk/keystones
-
1. Number Adding fractions
Add: 4⁄6 + 2⁄8
Answer: 11⁄12 -
2. Algebra Two-step equations
Solve: 5x - 12 = 43
Answer: x = 11 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 6cm and 8cm
Answer: 10cm -
4. Ratio Sharing in a ratio
Share 56 in the ratio 1:3
Answer: 14 and 42 -
5. Statistics Mean
Find the mean of: 4, 6, 4, 4
Answer: 4.5