Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

9th September 2020

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

1
Percentages2 marks
Work out 15% of 160.
2
Vectors2 marks
a is the column vector (0, -5) and b is (-7, -6). Work out a + b as a column vector.
3
Probability Trees3 marks
8 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 13, lower quartile 20, median 24, upper quartile 29 and maximum 38. Work out the interquartile range.
5
Error Intervals2 marks
A number y is 66 when truncated to the nearest whole number. Write down the error interval for y.

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