Question 1
1 markWhat is the value of the expression \(\frac{3}{5} + \left(-\frac{2}{3}\right) \times \frac{1}{4}\)?
IB Middle Years Programme (MYP) · Mathematics
Rational Numbers and Operations: Practice Questions
5 multiple-choice questions marked as you go, and 1 written questions with worked solutions. All on Rational Numbers and Operations.
6 questions12 marksFree, no account
Question 2
1 markSimplify the expression: \( \left( -\frac{3}{4} \times \frac{8}{9} \right) - \left( \frac{1}{2} \div \frac{3}{5} \right) \)
Question 3
1 markSimplify the following expression:
\(\frac{(-1.2) \times 0.5 - (-0.4)^2}{0.2}\).
Question 4
1 markWhich of the following rational numbers is the smallest?
Question 5
1 markCalculate the value of \(\frac{-2.4 \times 0.5}{(-0.2)^2}\).
Question 6
7 marksConsider the rational numbers \( A = 0.\overline{42} \) and \( B = 0.5\bar{6} \).
(a) Express \( A \) and \( B \) as fractions in their simplest form.
(b) Evaluate the expression \( E = \left( \frac{A}{B - \frac{1}{2}} \right) \times | -1.25 | \). Express your answer as an improper fraction in its simplest form.
(c) Convert your answer from part (b) into a recurring decimal.
Write your answer out first, then check it against the worked solution.
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