Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
14th January 2019
- 1Probability Trees3 marks
2 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 160 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 3Reverse Percentages3 marks
A bill is £816 including VAT at 20%. Work out the amount before VAT.
- 4Factorising Harder Quadratics3 marks
Factorise 8x^2 - 10x + 3.
- 5Repeated Percentage Change3 marks
A price rises by 25% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent Higher sheets
Every sheet is deterministic: the same date always regenerates the same five questions. All of January 2019, including the monthly compilation PDF.