Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

16th July 2010

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 12.5 cm apart on the map. How far apart are they in real life, in km?
2
Vectors2 marks
a is the column vector (-2, 6) and b is (-6, 7). Work out a + b as a column vector.
3
Probability Trees3 marks
3 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 172 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Error Intervals2 marks
A number y is 54 when truncated to the nearest whole number. Write down the error interval for y.

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