Testinar Grade 3 math

Unit Fractions

Students will understand a unit fraction as one equal part of a whole divided into equal parts.

CH03-01 Fractions
Name
Date
Score
____ / 8
Directions Solve each problem. Show your reasoning on the page or on separate paper. Check the answer key only after finishing.

  1. A pizza is cut into \(8\) equal slices. What fraction represents one slice?

    1. \(\frac{1}{1}\)
    2. \(\frac{8}{8}\)
    3. \(\frac{8}{1}\)
    4. \(\frac{1}{8}\)

  2. A candy bar is divided into \(4\) equal pieces. What is the fraction name for one piece?

    1. \(\frac{1}{4}\)
    2. \(\frac{4}{4}\)
    3. \(\frac{1}{3}\)
    4. \(\frac{4}{1}\)

  3. Look at the rectangle below. It is divided into \(6\) equal parts, and one part is shaded. What fraction is shaded?

    Unit Fractions visual for G3-C03-T01-Q003
    1. \(\frac{5}{6}\)
    2. \(\frac{1}{6}\)
    3. \(\frac{6}{1}\)
    4. \(\frac{1}{5}\)

  4. A circle is divided into \(3\) equal slices. One slice is one unit fraction. Which fraction name is correct?

    1. \(\frac{1}{2}\)
    2. \(\frac{1}{3}\)
    3. \(\frac{3}{3}\)
    4. \(\frac{2}{3}\)

  5. Sam cuts a brownie into \(2\) equal pieces. What fraction is one piece?

    1. \(\frac{1}{3}\)
    2. \(\frac{2}{2}\)
    3. \(\frac{1}{2}\)
    4. \(\frac{3}{2}\)

  6. Look at the picture. The rectangle is divided into equal parts, and some parts are shaded. Which fraction is shaded?

    Unit Fractions visual for G3-C03-T01-Q006
    1. \(\frac{1}{4}\)
    2. \(\frac{4}{1}\)
    3. \(\frac{3}{4}\)
    4. \(\frac{2}{4}\)

  7. A rope is divided into \(8\) equal sections. What unit fraction describes one section?

    1. \(\frac{1}{8}\)
    2. \(\frac{8}{1}\)
    3. \(\frac{2}{8}\)
    4. \(\frac{1}{9}\)

  8. A pie is cut into \(6\) equal slices. Ava eats one slice. What fraction of the pie does Ava eat?

    1. \(\frac{5}{6}\)
    2. \(\frac{6}{6}\)
    3. \(\frac{1}{6}\)
    4. \(\frac{1}{5}\)
Teacher and parent reference

Answer key and explanations

  1. D. \(\frac{1}{8}\)

    When a whole is cut into \(b\) equal parts, one part is the unit fraction \(\frac{1}{b}\). Here \(b=8\), so one slice is \(\frac{1}{8}\).

  2. A. \(\frac{1}{4}\)

    When something is split into \(4\) equal parts, one part is called one-fourth, or \(\frac{1}{4}\).

  3. B. \(\frac{1}{6}\)

    The rectangle is divided into \(6\) equal parts. One part is shaded, so the shaded fraction is \(\frac{1}{6}\) (one-sixth).

  4. B. \(\frac{1}{3}\)

    A circle with \(3\) equal parts has each part as \(\frac{1}{3}\) (one-third).

  5. C. \(\frac{1}{2}\)

    A whole divided into \(2\) equal parts gives each part the name \(\frac{1}{2}\) (one-half).

  6. A. \(\frac{1}{4}\)

    The rectangle has \(4\) equal parts, and \(1\) is shaded, so the fraction is \(\frac{1}{4}\) (one-fourth).

  7. A. \(\frac{1}{8}\)

    When a whole is divided into \(8\) equal parts, one part is the unit fraction \(\frac{1}{8}\) (one-eighth).

  8. C. \(\frac{1}{6}\)

    The pie has \(6\) equal slices. Ava eats \(1\) slice, so she eats \(\frac{1}{6}\) of the pie.

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