Daily Practice · Higher

Daily Practice - Higher

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

15th February 2016

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

1
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 16 cm and 7 cm with an angle of 139° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
4 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 132 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
The Product Rule for Counting2 marks
A meal deal has 8 mains, 6 sides and 2 drinks. How many different meals are possible?

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