Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
13th April 2021
- 1Writing and Simplifying Ratio2 marks
Write the ratio 5 : 40 in the form 1 : n.
- 2Vectors2 marks
a is the column vector (-4, -4) and b is (-6, -6). Work out a + b as a column vector.
- 3Probability Trees3 marks
2 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Two Way Tables3 marks
Of 45 students, 25 study French, 18 study German and 5 study both. How many study neither?
- 5Error Intervals2 marks
A number y is 65 when truncated to the nearest whole number. Write down the error interval for y.
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