Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

25th February 2006

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

1
Ratio2 marks
Red and blue marbles are in the ratio 2 : 7. There are 18 red marbles. How many marbles are there altogether?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 30°. How many sides does it have?
3
Probability Trees3 marks
3 of 6 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 = 2x + 37. Use it to estimate y when x = 7.
5
Error Intervals2 marks
A number y is 36 when truncated to the nearest whole number. Write down the error interval for y.

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