Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
31st January 2021
- 1Real Life and Distance Time Graphs2 marks
Rhys drives 105 km in 1.5 hours. Work out the average speed in km/h.
- 2Vectors2 marks
a is the column vector (5, -4) and b is (3, 7). Work out a + b as a column vector.
- 3Probability 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.
- 4Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 0 < x <= 5. The frequencies in order are 11, 16, 21, 3, 7. Write down the modal class.
- 5Error Intervals2 marks
A number y is 12 when truncated to the nearest whole number. Write down the error interval for y.
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