Daily Practice · Higher

Daily Practice - Higher

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

21st October 2019

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 9 cm and 18 cm with an angle of 37° between them. Work out its area, to 1 decimal place.
3
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.
4
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 88 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7474... as a fraction in its simplest form.

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