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Worksheet: Classifying Polygons

Q1:

Which of these polygons has six sides?

  • Athe yellow one
  • Bthe green one
  • Cthe red one
  • Dthe blue one

Q2:

How many sides does the following figure have?

Q3:

Daniel’s brother draws a 3-side figure in the shape of a polygon to show what the roof of a tree house will look like. What kind of polygon is it?

  • Aa square
  • Ba rhombus
  • Ca rectangle
  • Da triangle
  • Ea cube

Q4:

Peter made a pentagon using 5 toothpicks. He now wants to change the pentagon into a hexagon. How many more toothpicks does he need?

  • A 3
  • B 2
  • C 6
  • D 1
  • E 4

Q5:

Daniel has used shapes to make this picture of a house.

What shape is the door?

  • Aa circle
  • Ba square
  • Ca rectangle

What shapes are the windows?

  • Aa square and a circle
  • Ba square and a triangle
  • Ca rectangle and a triangle

How many triangles has he used?

  • A1
  • B3
  • C2

Q6:

Matthew made a triangle using 3 toothpicks. He now wants to change the triangle into an octagon. How many more toothpicks does he need?

Q7:

Benjamin made a triangle using 3 toothpicks. He now wants to change the triangle into a hexagon. How many more toothpicks does he need?

Q8:

Peter made a pentagon using 5 toothpicks. He now wants to change the pentagon into an octagon. How many more toothpicks does he need?

  • A 4
  • B 2
  • C 5
  • D 3
  • E 8

Q9:

I want to join two vertices in this shape with a straight line so I create two new polygons which have the same number of sides. Which vertices could I join?

  • A 𝐡 , 𝐹
  • B 𝐴 , 𝐸
  • C 𝐴 , 𝐢
  • D 𝐡 , 𝐸

Q10:

Which two vertices can be joined together for form two polygons with the same number of sides?

  • A 𝐡 , 𝐽
  • B 𝐷 , 𝐻
  • C 𝐹 , 𝐽
  • D 𝐴 , 𝐹

Q11:

Which two vertices can be joined together for form two polygons; one with three sides and the other with seven sides?

  • A 𝐴 , 𝐸
  • B 𝐴 , 𝐷
  • C 𝐡 , 𝐸
  • D 𝐴 , 𝐻

Q12:

How many 10-sided polygons are on the clown?

Q13:

Which two vertices could be joined with an edge to create two congruent polygons?

  • A 𝐹 , 𝐢
  • B 𝐴 , 𝐻
  • C 𝐴 , 𝐸
  • D 𝐴 , 𝐷

Q14:

How many 5-sided polygons are on the clown?

Q15:

Which two vertices can be joined together to form two polygons with the same number of sides?

  • A 𝐡 and 𝐷
  • B 𝐸 and 𝐴
  • C 𝐹 and 𝐷
  • D 𝐸 and 𝐡

Q16:

Which two vertices can be joined together for form two polygons with the same number of sides?

  • A 𝐿 , 𝐸
  • B 𝐿 , 𝐢
  • C 𝐾 , 𝐹
  • D 𝐹 , 𝐿