Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

12th October 2007

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

1
Scale Drawings2 marks
A map has a scale of 1 : 50000. Two villages are 10.5 cm apart on the map. How far apart are they in real life, in km?
2
Vectors2 marks
a is the column vector (-6, -3) and b is (0, -7). Work out a + b as a column vector.
3
Probability Trees3 marks
2 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 = 6x + 5. Use it to estimate y when x = 7.
5
Error Intervals2 marks
A number y is 78 when truncated to the nearest whole number. Write down the error interval for y.

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