Daily Practice

Foundation Plus

3rd June 1977

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

1
Scale Drawings2 marks
A map has a scale of 1 : 25000. Two villages are 9.5 cm apart on the map. How far apart are they in real life, in km?
2
Vectors2 marks
a is the column vector (-8, 3) and b is (-3, 1). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 7 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 = 9x + 9. Use it to estimate y when x = 9.
5
Error Intervals2 marks
A number y is 17 when truncated to the nearest whole number. Write down the error interval for y.

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