Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
1st January 2020
- 1Percentages2 marks
Work out 15% of 140.
- 2Vectors2 marks
a is the column vector (1, 0) and b is (2, 7). Work out a + b as a column vector.
- 3Probability Trees3 marks
3 of 8 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 21, 7, 11, 3, 16. Write down the modal class.
- 5Error Intervals2 marks
A number y is 52 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 January 2020, including the monthly compilation PDF.