Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

6th November 2009

5 questions · 11 marks · Grades 4-6 · 128 question types in this band

1
Scale Drawings2 marks
A map has a scale of 1 : 25000. Two villages are 12 cm apart on the map. How far apart are they in real life, in km?
2
Vectors2 marks
a is the column vector (4, -7) and b is (-7, 3). 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
Box Plots2 marks
A box plot has minimum 15, lower quartile 19, median 21, upper quartile 26 and maximum 32. Work out the interquartile range.
5
Error Intervals2 marks
A number y is 16 when truncated to the nearest whole number. Write down the error interval for y.

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