Keystones — Cornerstone
Five GCSE retrieval questions · 27 April 2018 · mathsvault.uk/keystones
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1. Number Adding fractions
Add: 7⁄8 + 2⁄3
Answer: 37⁄24 -
2. Algebra Two-step equations
Solve: 6x - 14 = 16
Answer: x = 5 -
3. Geometry Pythagoras — hypotenuse
Find the hypotenuse of a right triangle with sides 3cm and 4cm
Answer: 5cm -
4. Ratio Sharing in a ratio
Divide 160 in the ratio 1:4:3
Answer: 20, 80 and 60 -
5. Statistics Mean
Find the mean of: 8, 12, 3
Answer: 7.6666666666667