Identifying quadrilaterals
Grade 3 Geometry Worksheet
Match the shapes to their names.
Square
Rectangle
Rhombus
Trapezoid
Parallelogram
Kite
Online reading & math for K-5
© www.k5learning.com
Naming quadrilaterals
Grade 3 Geometry Worksheet
Write the correct names for each of the following shapes.
Square
Rectangle
Trapezoid
Parallelogram
Kite
Rhombus
Online reading & math for K-5
© www.k5learning.com
Types of Quadrilaterals
Grade 3 Geometry Worksheet
Fill in the blanks with words from the word bank.
Rectangle
Trapezoid
Square
Parallelogram
Rhombus
Quadrilateral
____________________________________
A shape that has 4 sides and 4 angles.
____________________________________
____________________________________
A quadrilateral that has
2 pairs of parallel sides.
A quadrilateral that has
1 pair of parallel sides.
____________________________
____________________________
A parallelogram where
all angles are equal (right angles)
and opposite sides are equal.
A parallelogram where
opposite angles are equal and
all sides are equal.
____________________________
A parallelogram that is both a rectangle and a rhombus.
It has all right angles and all sides are equal.
Online reading & math for K-5
www.k5learning.com
Describing Quadrilaterals
Grade 3 Geometry Worksheet
Fill in the blanks to describe each type of quadrilateral.
Quadrilaterals
A quadrilateral is a shape that has ____ sides and ____ angles.
Two types of quadrilaterals are trapezoids and parallelograms.

A trapezoid has ____ pair(s) of parallel sides.

A parallelogram has ____ pair(s) of parallel sides.
Types of Parallelograms
A rectangle is a parallelogram with _____________________ angles equal and
(opposite or all)
_____________________ sides equal.
(opposite or all)
A rhombus is a parallelogram with _____________________ angles equal and
(opposite or all)
_____________________ sides equal.
(opposite or all)
A square is both a ____________________ and a _______________________.
When all angles in a quadrilateral are equal, what type of angles are they?
__________________ angles
Online reading & math for K-5
www.k5learning.com
Parallelograms
Grade 2 Geometry Worksheet
Answer the questions beside each shape.
Does it have 4 sides?
Yes
No
Are the opposite sides parallel?
Yes
No
Is it parallelogram?
Yes
No
Does it have 4 sides?
Yes
No
Are the opposite sides parallel?
Yes
No
Is it parallelogram?
Yes
No
Does it have 4 sides?
Yes
No
Are the opposite sides parallel?
Yes
No
Is it parallelogram?
Yes
No
Does it have 4 sides?
Yes
No
Are the opposite sides parallel?
Yes
No
Is it parallelogram?
Yes
No
Does it have 4 sides?
Yes
No
Are the opposite sides parallel?
Yes
No
Is it parallelogram?
Yes
No
Reading and Math for K-5
© www.k5learning.com
Identifying parallelograms
Grade 3 Geometry Worksheet
Color all the parallelograms.
Online reading & math for K-5
© www.k5learning.com
Classifying triangles by their angles
Grade 3 Geometry Worksheet
=
=
Write acute, obtuse or right beside each triangle.
=
=
= =
=
=
Online reading & math for K-5
=
= =
www.k5learning.com
Classify triangles by their sides
Grade 3 Geometry Worksheet
Write scalene, isosceles or equilateral beside each triangle.
=
=
=
=
=
=
=
=
= =
Online reading & math for K-5
www.k5learning.com
Classifying triangles
Grade 3 Geometry Worksheet
Circle the words that describe each triangle. You should use two words to
describe each triangle; one red and one purple.
Acute
Obtuse
Right
Scalene
Isosceles
Equilateral
=
Acute
Obtuse
Right
Scalene
Isosceles
Equilateral
= =
=
Acute
Obtuse
Right
Scalene
Isosceles
Equilateral
= =
Acute
Obtuse
Right
Scalene
Isosceles
Equilateral
Acute
Obtuse
Right
Scalene
Isosceles
Equilateral
Acute
Obtuse
Right
Scalene
Isosceles
Equilateral
Acute
Obtuse
Right
Scalene
Isosceles
Equilateral
=
Online reading & math for K-5
=
=
www.k5learning.com
Classifying triangles
(equilateral / isosceles / scalene / right)
Grade 3 Geometry Worksheet
Classify the triangles.
1.
2.
3.
4.
5.
6.
Online reading & math for K-5
© www.k5learning.com
Parts of a circle
Grade 3 Geometry Worksheet
Circle the word that represents the red part of the circle.
radius
diameter
center
circumference
chord
radius
diameter
center
circumference
chord
radius
diameter
center
circumference
chord
radius
diameter
center
circumference
chord
radius
diameter
center
circumference
chord
Online reading & math for K-5
www.k5learning.com
Labelling parts of a circle
Grade 3 Geometry Worksheet
Label all 5 parts of the circle, using the correct terms.
Online reading & math for K-5
www.k5learning.com
Describing parts of a circle
Grade 3 Geometry Worksheet
Fill in the blanks.
I am represented by a dot in the middle of the circle.
I am the __________________________________.
I am the distance around the circle.
I am the __________________________________.
I am a straight line segment with endpoints on the center and the circumference.
I am the __________________________________.
I am a straight line segment passing through the center of the circle and my
endpoints both lie on the circumference.
I am the __________________________________.
I am a straight line segment whose endpoints both lie on the circumference. I do
not pass through the center of the circle.
I am the __________________________________.
Online reading & math for K-5
www.k5learning.com
Properties of Polygons
Grade 3 Geometry Worksheet
Circle the shapes that are polygons.
Circle the number of sides
each type of polygon has.
Online reading & math for K-5
Heptagon
2 3 4 5 6 7 8
Triangle
2 3 4 5 6 7 8
Pentagon
2 3 4 5 6 7 8
Quadrilateral
2 3 4 5 6 7 8
Hexagon
2 3 4 5 6 7 8
www.k5learning.com
Regular Polygons
Grade 3 Geometry Worksheet
Color the regular triangle.
Color the regular quadrilateral.
Color the regular pentagon.
Color the regular hexagon.
Color the regular heptagon.
Online reading & math for K-5
www.k5learning.com
Identifying polygons
Grade 3 Geometry Worksheet
Classify the polygons as one of: squares, rectangles, irregular quadrilateral,
pentagon, irregular pentagon, hexagon or irregular hexagon,
1.
2.
3.
4.
5.
6.
7.
8.
Online reading & math for K-5
© www.k5learning.com
Identifying polygons
Grade 3 Geometry Worksheet
Classify the polygons as one of: squares, rectangles, irregular quadrilateral,
pentagon, irregular pentagon, hexagon or irregular hexagon,
1.
2.
3.
4.
5.
6.
7.
8.
Online reading & math for K-5
© www.k5learning.com
Completing a Polygon
Grade 3 Geometry Worksheet
Complete the following polygons by drawing the missing lines. Name the polygon in the
space below the shape.
Online reading & math for K-5
© www.k5learning.com
Draw rectangles of a given area
Grade 3 Geometry Worksheet
Draw rectangles of the given area that can fit in the grid below.
Area = 16 square units
Area = 30 square units
Area = 27 square units
Area = 48 square units
Area = 60 square units
Area = 121 square units
Online reading & math for K-5
© www.k5learning.com
Areas of shapes using a grid (cm)
Grade 3 Geometry Worksheet
Assume each square is 1 centimetre wide and tall
Find the area of each shape in square centimetres.
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
15)
16)
Reading & Math for K-5
© www.k5learning.com
Areas of shapes using a grid (inches)
Grade 3 Geometry Worksheet
Assume each square is 1 inch wide and tall
Find the area of each shape in square inches.
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
15)
16)
Reading & Math for K-5
© www.k5learning.com
Perimeter and area of rectangles
Grade 3 Geometry Worksheet
Find the perimeter and area of each rectangle.
1.
2.
4 in
3 ft
11 ft
16 in
3.
4.
6 in
22 in
7 in
9 in
5.
6.
8 ft
10 in
10 ft
16 in
7.
8.
6 in
15 in
9 ft
6 ft
Reading and Math for K-5
© www.k5learning.com
Perimeter and area of rectangles
Grade 3 Geometry Worksheet
Find the perimeter and area of each rectangle.
1.
2.
5 ft
9 in
19 ft
22 in
3.
4.
6 in
7 in
5 in
11 in
5.
6.
7 ft
5 ft
19 ft
10 ft
7.
8.
5 in
12 in
9 ft
25 ft
Reading and Math for K-5
© www.k5learning.com
Perimeter and area of rectangles
Grade 3 Geometry Worksheet
Find the perimeter and area of each rectangle.
1.
2.
4m
10 m
8 cm
16 cm
3.
4.
4m
5 cm
15 m
11 cm
5.
6.
8 cm
6 cm
8 cm
14 cm
7.
8.
16 cm
4 cm
5m
7m
Reading and Math for K-5
© www.k5learning.com
Perimeter and area of rectangles
Grade 3 Geometry Worksheet
Find the perimeter and area of each rectangle.
1.
2.
7m
8m
21 m
18 m
3.
4.
6m
5m
19 m
9m
5.
6.
4m
19 m
6 cm
6 cm
7.
8.
14 m
4m
6 cm
10 cm
Reading and Math for K-5
© www.k5learning.com
Area of rectangles
Grade 3 Geometry Worksheet
Find the area of each rectangle.
1.
4 in
21 in
2.
5 ft
18 ft
3.
4.
5 ft
12 in
14 ft
5.
4 in
6.
5 in
11 in
9 ft
19 ft
7.
8.
7 ft
7 ft
17 ft
9 ft
Reading and Math for K-5
© www.k5learning.com
Area of rectangles
Grade 3 Geometry Worksheet
Find the area of each rectangle.
1.
2.
7 ft
7 in
19 ft
23 in
3.
4.
7 ft
11 ft
8 ft
14 ft
5.
6.
7 in
10 in
14 in
9 in
7.
8.
5 ft
10 in
2 in
8 ft
Reading and Math for K-5
© www.k5learning.com
Area of rectangles
Grade 3 Geometry Worksheet
Find the area of each rectangle.
1.
2.
6 cm
4m
13 cm
7m
3.
4.
3m
10 m
10 m
20 m
5.
6.
6m
4m
9m
8m
7.
8.
6m
26 m
Reading and Math for K-5
8m
2m
© www.k5learning.com
Area of rectangles
Grade 3 Geometry Worksheet
Find the area of each rectangle.
1.
2.
16 cm
3 cm
4m
8m
3.
4.
3m
5 cm
9m
18 cm
5.
6.
9 cm
3m
4 cm
10 m
7.
8.
4m
6 cm
14 m
10 cm
Reading and Math for K-5
© www.k5learning.com
Areas of rectangles using a grid
Grade 3 Geometry Worksheet
If each of the square is 1 square unit (shown below), find the area for the rectangles
shown below.
= 1 square unit
_________
_________
_________
_________
_________
_________
_________
_________
Online reading & math for K-5
© www.k5learning.com
Area of rectangular shapes using a grid
Grade 3 Geometry Worksheet
If each of the square is 1 square unit (shown below), find the area for the shapes shown
below.
= 1 square unit
_________
_________
_________
_________
_________
_________
_________
_________
Online reading & math for K-5
© www.k5learning.com
Perimeters using a grid (cm)
Grade 3 Geometry Worksheet
Assume each square is 1 centimetre wide and tall.
Find the perimeter of each shape in centimetres.
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
15)
16)
Reading & Math for K-5
© www.k5learning.com
Perimeters using a grid (cm)
Grade 3 Geometry Worksheet
Assume each square is 1 centimetre wide and tall.
Find the perimeter of each shape in centimetres.
1)
2)
3)
4)
5)
6)
7)
8)
9)
Reading & Math for K-5
© www.k5learning.com
Perimeters using a grid (inches)
Grade 3 Geometry Worksheet
Assume each square is 1 inch wide and tall.
Find the perimeter of each shape in inches.
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
15)
16)
Reading & Math for K-5
© www.k5learning.com
Perimeters using a grid (inches)
Grade 3 Geometry Worksheet
Assume each square is 1 inch wide and tall.
Find the perimeter of each shape in inches.
1)
2)
3)
4)
5)
6)
7)
8)
9)
Reading & Math for K-5
© www.k5learning.com
Perimeters of irregular shapes
Grade 3 Geometry Worksheet
Find the perimeter for the shapes shown below.
8 yd.
8 yd.
6 cm
8 yd.
_________
_________
3 ft.
8 in.
9 in.
3 ft.
3 in.
14 in.
_________
_________
4 yd.
3 yd.
2 yd.
3 yd.
_________
_________
4 ft.
_________
Online reading & math for K-5
_________
© www.k5learning.com
Perimeters of irregular shapes (missing sides)
Grade 3 Geometry Worksheet
Find the length of the side marked with an “X”.
If perimeter = 19 in., x = ______
If perimeter = 28 m, x = ______
7 yd.
5 yd.
7 yd.
x yd.
7 yd.
5 yd.
7 yd.
If perimeter = 28 yd., x = ______
If perimeter = 27 yd., x = ______
6 in.
If perimeter = 16 in., x = ______
If perimeter = 34 m, x = ______
8 ft.
8 ft.
2 ft.
x cm
x ft.
If perimeter = 40 ft., x = ______
Online reading & math for K-5
If perimeter = 45 cm, x = ______
© www.k5learning.com
Perimeter of rectangles
Grade 3 Geometry Worksheet
Find the perimeter of each rectangle.
1.
2.
3 in
4 in
11 in
8 in
3.
4.
3 ft
5 ft
7 ft
15 ft
5.
6.
7 ft
27 ft
6 ft
6 ft
7.
8.
5 in
8 ft
8 in
24 ft
Reading and Math for K-5
© www.k5learning.com
Perimeter of rectangles
Grade 3 Geometry Worksheet
Find the perimeter of each rectangle.
1.
2.
2 ft
4 ft
4 ft
13 ft
3.
4.
13 in
10 ft
21 in
20 ft
5.
6.
9 in
3 in
4 in
8 in
7.
8.
7 in
12 in
3 in
16 in
Reading and Math for K-5
© www.k5learning.com
Perimeter of rectangles
Grade 3 Geometry Worksheet
Find the perimeter of each rectangle.
1.
2.
6m
10 m
14 m
17 m
3.
4.
7m
5 cm
15 m
10 cm
5.
6.
10 cm
12 cm
19 cm
12 cm
7.
8.
4m
7 cm
12 cm
Reading and Math for K-5
17 m
© www.k5learning.com
Perimeter of rectangles
Grade 3 Geometry Worksheet
Find the perimeter of each rectangle.
1.
2.
4 cm
6 cm
6m
13 m
3.
4.
6m
17 m
11 m
14 m
5.
6.
8 cm
6 cm
13 cm
22 cm
7.
8.
5m
8m
16 m
Reading and Math for K-5
10 m
© www.k5learning.com
Perimeters of rectangular shapes
Grade 3 Geometry Worksheet
1 unit
If each of the square is 1 unit by 1 unit (shown below), find the perimeter for the shapes
shown below.
1 unit
_________
_________
_________
_________
_________
_________
_________
_________
Online reading & math for K-5
© www.k5learning.com
Perimeters of rectangular shapes
Grade 3 Geometry Worksheet
1 unit
If each of the square is 1 unit by 1 unit (shown below), find the perimeter for the shapes
shown below.
1 unit
_________
_________
_________
_________
_________
_________
_________
_________
Reading and Math for K-5
© www.k5learning.com
Congruent shapes
Grade 3 Geometry Worksheet
Circle the shapes on the right that are congruent to the shapes on the left.
Online reading & math for K-5
© www.k5learning.com
Matching congruent shapes
Grade 3 Geometry Worksheet
Colour the pairs of congruent shapes with the same color.
Online reading & math for K-5
© www.k5learning.com
Lines of symmetry
Grade 3 Geometry Worksheet
Draw the line(s) of symmetry on each shape. If a shape has no lines of symmetry,
draw an X through it.
Online reading & math for K-5
www.k5learning.com
Lines of symmetry
Grade 3 Geometry Worksheet
Draw the line of symmetry which cuts the following shapes in half evenly.
Hint: Some shapes can be cut in more than one way.
Online reading & math for K-5
© www.k5learning.com
Symmetry – Completing symmetrical shapes
Grade 3 Geometry Worksheet
Drawing the other half of the following symmetric shapes.
Online reading & math for K-5
© www.k5learning.com
Symmetry – A symmetric rocket
Grade 3 Geometry Worksheet
Drawing the other half of this symmetric rocket.
Online reading & math for K-5
© www.k5learning.com
Symmetrical shapes
Grade 3 Geometry Worksheet
Drawing the other half of this symmetric bug
Online reading & math for K-5
© www.k5learning.com
Classifying angles
Grade 3 Geometry Worksheet
Circle the correct names for the following angles.
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Right / Obtuse /
Acute
Online reading & math for K-5
© www.k5learning.com
Classifying angles
Grade 3 Geometry Worksheet
Straight
Right
Acute
Obtuse
Write "straight", "right", "acute" or "obtuse" below each angle.
_________________
_________________
_________________
_________________
_________________
_________________
Reading and Math for K-5
© www.k5learning.com
Identify different types of angles (daily life examples)
Grade 3 Geometry Worksheet
1.
This is a(n):
2.
a. right angle.
b. straight angle.
c. acute angle.
d. obtuse angle.
3.
This is a(n):
a. right angle.
b. straight angle.
c. acute angle.
d. obtuse angle.
4.
a. right angle.
b. straight angle.
c. acute angle.
d. obtuse angle.
5.
This is a(n):
This is a(n):
6.
This is a(n):
a. right angle.
b. straight angle.
c. acute angle.
d. obtuse angle.
Reading and Math for K-5
This is a(n):
a. right angle.
b. straight angle.
c. acute angle.
d. obtuse angle.
8.
a. right angle.
b. straight angle.
c. acute angle.
d. obtuse angle.
9.
This is a(n):
a. right angle.
b. straight angle.
c. acute angle.
d. obtuse angle.
a. right angle.
b. straight angle.
c. acute angle.
d. obtuse angle.
7.
This is a(n):
This is a(n):
a. right angle.
b. straight angle.
c. acute angle.
d. obtuse angle.
10.
This is a(n):
a. right angle.
b. straight angle.
c. acute angle.
d. obtuse angle.
© www.k5learning.com
Lines, segments, and rays
Grade 3 Geometry Worksheet
Lines go in both directions forever.
Line segments end in fixed points on both sides.
Rays start at a point and go forever in one direction.
Circle the correct description:
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Line / Ray /
Line Segment
Reading and Math for K-5
© www.k5learning.com
Lines, segments, rays and angles
Grade 3 Geometry Worksheet
Match each term with the picture that represents it by drawing a line to connect
the term to the picture.

Line

Line segment

Ray

Parallel lines

Perpendicular lines

Intersecting lines
(not parallel or perpendicular)

Right angle

Acute angle

Obtuse angle

Straight angle
Online reading & math for K-5
www.k5learning.com
Lines, segments, rays and angles
Grade 3 Geometry Worksheet
Draw each type of line or angle.
Line
Parallel lines
Line segment
Ray
Perpendicular lines
Intersecting lines
(not parallel or perpendicular)
Right angle
Reading and Math for K-5
Acute angle
Obtuse angle
© www.k5learning.com
Lines, segments, and rays
Grade 3 Geometry Worksheet
Lines go in both directions forever.
Line segments end in fixed points on both sides.
Rays start at a point and go forever in one direction.
Write "line", "line segment" or "ray" below each picture.
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
Line segment
Ray
Draw the following.
Line
Reading and Math for K-5
© www.k5learning.com
Measuring angles
Grade 4 Geometry Worksheet
Measure the angles using a protractor.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Online reading & math for K-5
© www.k5learning.com
Measuring angles
Grade 4 Geometry Worksheet
Measure the angles using a protractor.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Online reading & math for K-5
© www.k5learning.com
Measuring and classifying angles
Grade 4 Geometry Worksheet
Measure the angles and classify them as "right", "acute" or "obtuse".
1.
2.
3.
4.
5.
6.
7.
8.
9.
Online reading & math for K-5
© www.k5learning.com
Measuring and classifying angles
Grade 4 Geometry Worksheet
Measure the angles and classify them as "right", "acute" or "obtuse".
1.
2.
3.
4.
5.
6.
7.
8.
9.
Online reading & math for K-5
© www.k5learning.com
Parallel and perpendicular lines
Grade 3 Geometry Worksheet
Determine if the lines, segments, or rays are parallel, perpendicular or neither.
Circle your answer.
parallel
perpendicular
neither
parallel
perpendicular
neither
parallel
perpendicular
neither
Online reading & math for K-5
www.k5learning.com
Parallel, perpendicular & intersecting lines
Grade 3 Geometry Worksheet
Parallel lines do not intersect or touch each other at any point.
Perpendicular lines form right angles (90°) when they intersect.
Intersecting lines cross at one point.
Write "parallel", "perpendicular" or "intersecting" below each pair of lines.
_____________
_____________
_____________
_____________
_____________
_____________
Perpendicular lines
Intersecting lines
Draw the following:
Parallel lines
Reading and Math for K-5
© www.k5learning.com
Parallel and perpendicular lines
Grade 3 Geometry Worksheet
What are these lines? Fill in the blanks with “parallel”, “perpendicular” or “intersecting”.
________________
________________
________________
________________
________________
________________
________________
________________
________________
________________
________________
________________
Reading and Math for K-5
© www.k5learning.com
Drawing angles with a protractor
Grade 3 Geometry Worksheet
Draw a second ray to create the angle shown. Label each angle as acute, obtuse,
right or straight. The first one is done for you.
30°
45°
acute
60°
90°
135°
180°
Reading and Math for K-5
© www.k5learning.com
Drawing angles with a protractor
Grade 3 Geometry Worksheet
Draw a second ray to create the angle shown. Label each angle as acute, obtuse,
right or straight. The first one is done for you.
150°
65°
obtuse
20°
175°
90°
110°
Reading and Math for K-5
© www.k5learning.com
Reading a protractor
Grade 3 Geometry Worksheet
Measure and write down each angle using the protractor.
Reading and Math for K-5
© www.k5learning.com
Reading a protractor
Grade 3 Geometry Worksheet
Measure and write down each angle using the protractor.
Reading and Math for K-5
© www.k5learning.com
Comparing angles with right angles
Grade 3 Geometry Worksheet
Are the following angles are smaller than, larger than or equal to a right angle?
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Smaller / Larger /
Right
Online reading & math for K-5
© www.k5learning.com
Identifying right angles
Grade 3 Geometry Worksheet
Mark and count the number of right angles in the following figures.
`
_____ right angle(s)
_____ right angle(s)
Online reading & math for K-5
_____ right angle(s)
_____ right angle(s)
© www.k5learning.com