Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

Grades 4-6 - the Foundation / Higher crossover zone.

20th September 2018

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Best Buy Questions3 marks
A pack of 6 batteries costs £3.00. A pack of 18 costs £8.28. Which pack is better value?
2
Vectors2 marks
a is the column vector (2, 8) and b is (-5, 1). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Scatter Graphs2 marks
A scatter graph plots the age of a car and its value. What type of correlation would you expect?
5
Error Intervals2 marks
A number y is 33 when truncated to the nearest whole number. Write down the error interval for y.

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