Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

15th September 2022

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Bounds2 marks
A mass is 650 kg, correct to the nearest 10. Write down the upper bound.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 5^x is drawn. Work out y when x = 1, and write down where the curve crosses the y-axis.
3
Repeated Percentage Change3 marks
A town's population is 15000 and grows by 4% each year. Work out the population after 3 years, to the nearest whole number.
4
Vectors3 marks
a is the column vector (6, -2) and b is (-4, 5). Work out 5a - 2b as a column vector.
5
Probability Trees3 marks
1 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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