Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
24th September 2024
- 1Writing and Simplifying Ratio2 marks
Write the ratio 5 : 45 in the form 1 : n.
- 2Vectors2 marks
a is the column vector (-2, -5) and b is (-4, -5). Work out a + b as a column vector.
- 3Probability Trees3 marks
2 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Averages from Frequency Tables3 marks
In a survey 6 households own 1 car, 4 own 2 cars and 6 own 3 cars. Work out the mean number of cars, to 2 decimal places.
- 5Error Intervals2 marks
A number y is 26 when truncated to the nearest whole number. Write down the error interval for y.
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