Daily Practice · Higher

Daily Practice - Higher

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

5th April 2021

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

1
Bounds2 marks
A mass is 16.1 kg, correct to 1 decimal place. Write down the lower bound.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 5^x is drawn. Work out y when x = 4, and write down where the curve crosses the y-axis.
3
Repeated Percentage Change3 marks
A price rises by 25% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
4
Vectors3 marks
a is the column vector (5, 5) and b is (-6, -5). Work out 5a - 4b as a column vector.
5
Probability 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.

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