Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

11th July 2004

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

1
Real Life and Distance Time Graphs2 marks
Freya drives 240 km in 4 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (6, -1) and b is (-1, -3). Work out a + b as a column vector.
3
Probability Trees3 marks
5 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 6x + 13. Use it to estimate y when x = 9.
5
Error Intervals2 marks
A number y is 73 when truncated to the nearest whole number. Write down the error interval for y.

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