Daily Practice · Higher

Daily Practice - Higher

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

1st March 2020

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

1
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 36. Work out y when x = 12.
2
Vectors3 marks
a is the column vector (-1, -3) and b is (6, -1). Work out 3a - 2b as a column vector.
3
Probability Trees3 marks
4 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has a minimum of 17 and a maximum of 73. Work out the range.
5
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.4040... as a fraction in its simplest form.

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