Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
16th January 2024
- 1Writing and Simplifying Ratio2 marks
Write the ratio 5 : 45 in the form 1 : n.
- 2Vectors2 marks
a is the column vector (3, -6) and b is (7, -4). Work out a + b as a column vector.
- 3Probability Trees3 marks
6 of 9 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 = 7x + 24. Use it to estimate y when x = 3.
- 5Error Intervals2 marks
A number y is 56 when truncated to the nearest whole number. Write down the error interval for y.
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