Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

1st July 2006

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

1
Ratio2 marks
Red and blue stickers are in the ratio 5 : 7. There are 25 red stickers. How many stickers are there altogether?
2
Vectors2 marks
a is the column vector (-7, -6) and b is (4, 4). Work out a + b as a column vector.
3
Probability Trees3 marks
5 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 a minimum of 14 and a maximum of 68. Work out the range.
5
Error Intervals2 marks
A number y is 88 when truncated to the nearest whole number. Write down the error interval for y.

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