Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
12th February 2012
- 1Real Life and Distance Time Graphs2 marks
Oliwia drives 280 km in 4 hours. Work out the average speed in km/h.
- 2Vectors2 marks
a is the column vector (7, 1) and b is (8, 8). Work out a + b as a column vector.
- 3Probability Trees3 marks
4 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 5x + 17. Use it to estimate y when x = 7.
- 5Error Intervals2 marks
A number y is 38 when truncated to the nearest whole number. Write down the error interval for y.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of February 2012, including the monthly compilation PDF.