Daily Practice

Foundation Plus

11th December 1975

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Best Buy Questions3 marks
A pack of 7 pencils costs £4.20. A pack of 28 costs £15.40. Which pack is better value?
2
Vectors2 marks
a is the column vector (3, -4) and b is (1, -8). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Averages from Frequency Tables3 marks
In a survey 6 households own 1 car, 6 own 2 cars and 2 own 3 cars. Work out the mean number of cars, to 2 decimal places.
5
Error Intervals2 marks
A number y is 33 when truncated to the nearest whole number. Write down the error interval for y.

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.

Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1975, including the monthly compilation PDF.