Worksheet: Thirds

In this worksheet, we will practice dividing shapes into three equal parts, naming each part as a third, and telling the number of thirds in a whole.

Q1:

This circle is divided into 3 equal pieces.

What is the name for each piece?

  • Aquarter
  • Bthird
  • Chalf
  • Dthree

Q2:

Pick the rectangle that is partitioned into thirds.

  • A
  • B
  • C
  • D

Q3:

Liam has two thirds of an orange.

Does he have more or less than a whole orange?

  • Aless
  • Bmore

Q4:

This rectangle is divided into 3 pieces.

Is each piece a third?

  • Ano
  • Byes

Q5:

Which shape is NOT partitioned into thirds?

  • A
  • B
  • C
  • D

Q6:

Hannah has one-third of a rectangle.

How many more thirds does she need to make the whole rectangle?

Q7:

Which shape is partitioned into halves?

  • Athe orange rectangle
  • Bthe green circle
  • Cthe blue square

Which shape is partitioned into thirds?

  • Athe blue square
  • Bthe green circle
  • Cthe orange rectangle

Q8:

Pick the shape that is NOT divided into 3 equal parts.

  • A
  • B
  • C
  • D

Q9:

This is one-third of a shape.

Which shape could be the whole?

  • A
  • B
  • C
  • D

Q10:

Which figures have one-third shaded?

  • A(b), (c), (d)
  • B(a), (d)
  • C(a)

Q11:

Which figures have one-third shaded?

  • A(d)
  • B(b), (d)
  • C(b), (c), (d)

Q12:

An orange can be equally divided into 3.

  • Athirds
  • Bhalves
  • Cquarters

Q13:

Which figures have one-third shaded?

  • A(b), (c), and (d)
  • B(a), (b), (c), and (d)
  • C(b) and (d)

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