Worksheet: Polygons

In this worksheet, we will practice counting the edges and vertices of polygons in order to name them as triangles, quadrilaterals, pentagons, or hexagons and identifying regular polygons.

Q1:

What is the name of a 5-sided polygon?

  • Aquadrilateral
  • Bhexagon
  • Ctriangle
  • Dpentagon

Q2:

What is the name of a 6-sided polygon?

  • Apentagon
  • Bquadrilateral
  • Ctriangle
  • Dhexagon

Q3:

How many vertices are there in a triangle?

Q4:

How many vertices are there in a hexagon?

Q5:

Which polygon has three sides?

  • A(d)
  • B(c)
  • C(a)
  • D(b)

Q6:

What is the name of this shape?

  • Aoctagon
  • Bpentagon
  • Cquadrilateral
  • Dtriangle
  • Ehexagon

Q7:

Identify the following two-dimensional figure.

  • Aquadrilateral
  • Bpentagon
  • Coctagon
  • Dhexagon
  • Etriangle

Q8:

Anthony made a quadrilateral using 4 toothpicks. He now wants to change the quadrilateral into an octagon. How many more toothpicks does he need?

Q9:

Daniel made a quadrilateral using 4 toothpicks. He now wants to change the quadrilateral into a pentagon. How many more toothpicks does he need?

Q10:

Benjamin made a quadrilateral using 4 toothpicks. He now wants to change the quadrilateral into a hexagon. How many more toothpicks does he need?

Q11:

A triangle is a polygon that has sides and angles.

  • Atwo, three
  • Bthree, four
  • Cthree, three
  • Dfour, four

Q12:

How many vertices are there in a pentagon?

Q13:

What is the name of a 4-sided polygon?

  • Apentagon
  • Bhexagon
  • Ctriangle
  • Dquadrilateral

Q14:

What is the name for a 3-sided polygon?

  • Aquadrilateral
  • Bpentagon
  • Chexagon
  • Dtriangle

Q15:

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

Q16:

True or false? A hexagon has fewer sides than an octagon.

  • Atrue
  • Bfalse

Q17:

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

Q18:

How many more sticks does Matthew need to change this hexagon into an octagon?

Q19:

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

  • A5
  • B2
  • C4
  • D3
  • E8

Q20:

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

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

Q21:

How many sides does the following polygon have?

Q22:

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

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

Q23:

Which of these polygons has six sides?

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

Q24:

How many 6-sided polygons are on the clown?

Q25:

How many 10-sided polygons are on the clown?

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