Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

10th July 2018

5 questions · 11 marks · Grades 4-6 · 128 question types in this band

1
Writing and Simplifying Ratio2 marks
Write the ratio 4 : 28 in the form 1 : n.
2
Vectors2 marks
a is the column vector (-8, -2) and b is (-5, -1). Work out a + b as a column vector.
3
Probability Trees3 marks
6 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 14, lower quartile 16, median 18, upper quartile 20 and maximum 29. Work out the interquartile range.
5
Error Intervals2 marks
A number y is 40 when truncated to the nearest whole number. Write down the error interval for y.

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