Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

7th September 1993

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

1
Writing and Simplifying Ratio2 marks
Write the ratio 6 : 18 in the form 1 : n.
2
Vectors2 marks
a is the column vector (-5, -4) and b is (-6, -3). Work out a + b as a column vector.
3
Probability Trees3 marks
7 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 7x + 33. Use it to estimate y when x = 9.
5
Error Intervals2 marks
A number y is 63 when truncated to the nearest whole number. Write down the error interval for y.

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