Space

Tessellations & Transformations

1

Does It Tessellate?

Sort each shape into the correct column.

Square
Circle
Triangle
Regular hexagon
Regular pentagon
Rectangle
Tessellates (no gaps)
Does Not Tessellate
2

Match Transformation Types

Draw a line to match each transformation to its description.

Translation
Rotation
Reflection
Flipping over a line
Sliding in one direction
Turning around a point
3

Name the Transformation

Circle the correct transformation.

A shape slides 4 units right without turning

Translation
Rotation
Reflection

A shape flips over a horizontal line

Translation
Rotation
Reflection

A shape turns 180° around a point

Translation
Rotation
Reflection

A shape is a mirror image of the original

Translation
Rotation
Reflection
4

More Transformation Names

Circle the correct transformation.

A shape moves down 3 units

Translation
Rotation
Reflection

A shape turns 90° clockwise

Translation
Rotation
Reflection

A shape flips over a vertical line

Translation
Rotation
Reflection

A pattern uses slides and flips

Translation only
Reflection only
Combined transformations
5

Sort the Transformations

Sort each description into the correct transformation type.

Move right 5 units
Turn 90° clockwise
Mirror over the y-axis
Slide down 3 units
Turn 180°
Flip over a horizontal line
Translation (slide)
Rotation (turn)
Reflection (flip)
6

Tessellation Basics

Answer each question about tessellations.

What does 'tessellate' mean? ___

Name 3 regular shapes that tessellate: ___

Why can't circles tessellate? ___

7

Describe the Tessellation

Describe what transformations create each tessellation.

A row of squares side by side: ___

Triangles alternating up and down: ___

A hexagonal tiling: ___

A brick wall pattern: ___

8

Rotation Angles

Circle the correct rotation angle.

A quarter turn is:

45°
90°
180°

A half turn is:

90°
180°
270°

A full turn is:

180°
270°
360°

A three-quarter turn is:

180°
270°
300°
9

Match Tessellation to Shapes

Draw a line to match each tessellation description to the shapes used.

Bathroom floor
Honeycomb pattern
Soccer ball pattern
Hexagons and pentagons
Squares
Hexagons
10

Angles at a Vertex

For shapes to tessellate, angles at each meeting point must sum to 360°.

A square has angles of 90°. How many meet at each vertex? ___ (because ___ × 90° = 360°)

An equilateral triangle has angles of 60°. How many meet at each vertex? ___

A regular hexagon has angles of 120°. How many meet at each vertex? ___

A regular pentagon has angles of 108°. Can pentagons tessellate? ___

11

Transformation Coordinates

Describe each transformation using coordinates.

Translate the shape at (2, 3) by 4 units right. New position: ___

Reflect the point (3, 1) over the y-axis. New position: ___

Rotate a square 90° clockwise around the origin. What happens to its position? ___

12

Properties of Transformations

Circle the correct answer.

Which transformation changes orientation (left/right)?

Translation
Rotation
Reflection

Which transformation keeps the shape facing the same way?

Translation
Rotation
Reflection

Which transformations keep the shape the same size?

Only translation
Only rotation
All three

A glide reflection combines:

Translation + reflection
Rotation + reflection
Two translations
13

Tessellation in Real Life

Name real-life examples of each tessellation type.

Square tessellation example: ___

Triangular tessellation example: ___

Hexagonal tessellation example: ___

Semi-regular tessellation example: ___

14

Tessellation True or False

Circle TRUE or FALSE.

All quadrilaterals can tessellate

TRUE
FALSE

Only regular polygons can tessellate

TRUE
FALSE

Rectangles tessellate using only translations

TRUE
FALSE

A tessellation has no gaps or overlaps

TRUE
FALSE
15

Design a Tessellation

Create tessellating patterns.

Create a tessellation using only equilateral triangles.

Draw here

Create a tessellation using squares and triangles combined.

Draw here
16

Describe Your Design

Explain the transformations in your tessellations above.

What transformations did you use in your triangle tessellation? ___

What transformations did you use in your combined tessellation? ___

Could you create the same pattern using only translations? Explain: ___

17

Home Activity: Tessellation Art

Create beautiful tessellation art at home!

  • 1Cut out identical shapes from cardboard and tile a piece of paper with no gaps.
  • 2Look at floor tiles, brick walls or fabric patterns. Spot tessellations!
  • 3Create a tessellation design using two different shapes.
  • 4Use an online tessellation tool to experiment with shapes and transformations.
  • 5Design wrapping paper using a tessellating pattern.
18

Translation Coordinates

Translate each point as directed and write the new coordinates.

(2, 3) translated 5 units right and 2 units down → ( ___ , ___ )

(-1, 4) translated 3 units left and 6 units up → ( ___ , ___ )

(0, -2) translated 4 units right and 4 units right → ( ___ , ___ )

(-3, -5) translated 3 units right and 5 units up → ( ___ , ___ )

19

Rotation Around a Centre Point

Describe what happens when each shape is rotated.

A square rotated 90° clockwise. New orientation: ___

The point (3, 0) rotated 90° clockwise around the origin → ( ___ , ___ )

The point (0, 4) rotated 180° around the origin → ( ___ , ___ )

20

Reflection Practice

Reflect each shape and identify the new position.

Triangle with vertices (1,1), (3,1), (2,4) reflected over x-axis: New vertices: ___, ___, ___

Rectangle (1,2), (4,2), (4,5), (1,5) reflected over y-axis: New vertices: ___, ___, ___, ___

21

Effect of Transformation on Coordinates

Circle the correct new coordinates.

(4, 2) reflected over x-axis:

(-4, 2)
(4, -2)
(-4, -2)

(4, 2) reflected over y-axis:

(-4, 2)
(4, -2)
(-4, -2)

(3, 1) rotated 90° clockwise around origin:

(1, -3)
(-3, 1)
(-1, 3)

(2, 5) translated by (-3, +2):

(-1, 7)
(5, 3)
(-1, 3)
22

Sort: Which Transformation Preserves Orientation?

Sort each transformation.

Translation
Reflection
Rotation by 90°
Rotation by 180°
Glide reflection
Rotation by 360°
Preserves orientation (shape stays same way up)
Changes orientation (shape flips)
23

Combined Transformations

Apply the transformations in sequence.

Start at (2, 1). Translate (+3, -2), then reflect over x-axis. Final position: ( ___ , ___ )

Start at (-1, 3). Reflect over y-axis, then translate (-2, -1). Final position: ( ___ , ___ )

24

Match Transformation to Rule

Draw a line to match each transformation to its coordinate rule.

Reflect over x-axis
Reflect over y-axis
Translate (+a, +b)
Rotate 180° around origin
(x, y) → (-x, -y)
(x, y) → (x+a, y+b)
(x, y) → (-x, y)
(x, y) → (x, -y)
25

Symmetry in Tessellations

Investigate symmetry in tessellation patterns.

A square tessellation has ___ lines of symmetry per unit.

A triangular tessellation has rotational symmetry of order ___.

A hexagonal tessellation has ___ lines of symmetry per unit. Explain: ___

26

Semi-Regular Tessellations

Semi-regular tessellations use two or more regular polygons.

A tessellation uses squares and triangles. At each vertex: 2 squares and 2 triangles. Check angles: ___°×2 + ___°×2 = ___°

Name one other combination of regular polygons that could tessellate together: ___

27

Transformation Sequences in Art

M.C. Escher used transformations in art. Describe how.

Describe how a bird tessellation might use transformations: ___

Draw a simple Escher-style design using one shape and two transformations:

Draw here
28

Transformation Survey

Students were asked which transformation they found easiest. Each icon = 1 student.

Translation
Reflection
Rotation
All equal
1

What percentage found translation easiest?

2

How many more prefer translation over rotation?

3

What fraction found either reflection or translation easiest?

29

Tessellating Shapes in School

Find and tally how many of each shape tessellate in your classroom/school.

ItemTallyTotal
Square tiles
Rectangular tiles
Hexagonal patterns
Triangular patterns
30

Rotation Order of Symmetry

Find the order of rotational symmetry for each shape.

Square: order of rotational symmetry = ___

Equilateral triangle: order = ___

Regular hexagon: order = ___

Rectangle (not square): order = ___

31

Line Symmetry

Find the number of lines of symmetry for each shape.

Square: ___ lines of symmetry

Equilateral triangle: ___ lines of symmetry

Regular pentagon: ___ lines of symmetry

Regular hexagon: ___ lines of symmetry

What pattern do you notice? ___

32

Tessellation Rules

Investigate why shapes tessellate.

Why must angles at each vertex in a tessellation add up to exactly 360°? ___

A shape with one angle of 100°. Could it tessellate? How? ___

All triangles tessellate. Explain why: ___