Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

8th June 2024

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Ratio2 marks
Red and blue marbles are in the ratio 2 : 7. There are 16 red marbles. How many marbles are there altogether?
2
Vectors2 marks
a is the column vector (3, 5) and b is (-6, 7). Work out a + b as a column vector.
3
Probability Trees3 marks
3 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
35 newts are marked and released. Later 8 are caught, of which 2 are marked. Estimate the population.
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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