Worksheet: Thirds of Circles and Rectangles

In this worksheet, we will practice dividing rectangles and circles into three equal parts and describing each part using the word "third."

Q1:

This circle is divided into 3 equal pieces.

What is the name for each piece?

  • Athree
  • Bhalf
  • Cquarter
  • Dthird

Q2:

Pick the rectangle that is partitioned into thirds.

  • A
  • B
  • C
  • D

Q3:

Amir 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:

Rania 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 blue square
  • Bthe orange rectangle
  • Cthe green circle

Which shape is partitioned into thirds?

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

Q8:

Pick the group that this shape belongs to.

  • A
  • B
  • C
  • D

Q9:

How much of the shape is shaded?

  • Aone-third
  • Btwo-quarters
  • Cone-quarter
  • Dtwo-thirds

Q10:

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

  • A
  • B
  • C
  • D

Q11:

Pick the rectangle that matches Bassem’s description.

  • A
  • B
  • C
  • D

Q12:

This is one-third of a shape.

Which shape could be the whole?

  • A
  • B
  • C
  • D

Q13:

Rania has three halves of cookie.

Does she have more or less than a whole cookie?

  • Amore
  • Bless

Q14:

Pick the odd one out.

  • A
  • B
  • C
  • D

Q15:

Which figures have one-third shaded?

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

Q16:

Which figures have one-third shaded?

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

Q17:

John cuts a loaf into thirds. How many thirds are there?

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