Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

16th October 2013

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

1
Percentages2 marks
Work out 75% of 60.
2
Vectors2 marks
a is the column vector (-7, 7) and b is (-4, 6). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 56 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Error Intervals2 marks
A number y is 75 when truncated to the nearest whole number. Write down the error interval for y.

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