krit.club logo

Rational Numbers

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Properties of Rational Numbers

Subtopic

Properties of Rational Numbers under Rational Numbers for Grade 8 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The standard form of −24−36\frac{-24}{-36} is:

    A.

    23\frac{2}{3}

    B.

    −23\frac{-2}{3}

    C.

    46\frac{4}{6}

    D.

    1218\frac{12}{18}

  2. 2.

    If we multiply a rational number by its reciprocal, we get:

    A.

    Its additive inverse

    B.

    The additive identity

    C.

    The multiplicative identity

    D.

    Zero

  3. 3.

    What is the additive inverse of −11−15\frac{-11}{-15}?

    A.

    1115\frac{11}{15}

    B.

    −1115\frac{-11}{15}

    C.

    1511\frac{15}{11}

    D.

    −1511\frac{-15}{11}

Download the worksheet for Rational Numbers - Properties of Rational Numbers to practice offline. It includes additional chapter-level practice questions.

Representation on the Number Line

Subtopic

Representation on the Number Line under Rational Numbers for Grade 8 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In which direction do the values of rational numbers increase on a number line?

    A.

    Downwards

    B.

    To the left

    C.

    Towards the origin

    D.

    To the right

  2. 2.

    The decimal 0.60.6 is equivalent to which fraction for representation on the number line?

    A.

    35\frac{3}{5}

    B.

    23\frac{2}{3}

    C.

    16\frac{1}{6}

    D.

    61\frac{6}{1}

  3. 3.

    If you move one unit to the right of −5-5 on the number line, you reach:

    A.

    −6-6

    B.

    −5.1-5.1

    C.

    −4-4

    D.

    00

Download the worksheet for Rational Numbers - Representation on the Number Line to practice offline. It includes additional chapter-level practice questions.

Operations and Word Problems

Subtopic

Operations and Word Problems under Rational Numbers for Grade 8 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A water tank is 35\frac{3}{5} full. What fraction of the tank is empty?

    A.

    25\frac{2}{5}

    B.

    35\frac{3}{5}

    C.

    15\frac{1}{5}

    D.

    11

  2. 2.

    For which operation is the set of rational numbers NOT commutative?

    A.

    Addition

    B.

    Multiplication

    C.

    Subtraction

    D.

    None of these

  3. 3.

    What is the result of 2÷122 \div \frac{1}{2}?

    A.

    44

    B.

    11

    C.

    14\frac{1}{4}

    D.

    22

Download the worksheet for Rational Numbers - Operations and Word Problems to practice offline. It includes additional chapter-level practice questions.

Rational Numbers - ICSE Class 8 Maths Notes & Revision | Krit.club