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Lines of symmetry P4

Lines of symmetry P4

Assessment

Presentation

•

Mathematics

•

4th Grade

•

Medium

•
CCSS
4.G.A.3

Standards-aligned

Created by

JL Chong

Used 353+ times

FREE Resource

11 Slides • 10 Questions

1

Lines of symmetry P4

1) Understand what is a line of symmetry

2) Identify lines of symmetry

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2

What is a line of symmetry???

A line of symmetry is a line that cuts a shape exactly in half AND if you were to fold the shape along the line, both halves would match exactly.


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3


  • If a figure has at least one line of symmetry, it is symmetric

  • If it does not have any line of symmetry, it is NOT symmetric (asymmetric)

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4

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5

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6

The rectangle has...

2 lines of symmetry

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7

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8

Multiple Choice

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Is this a line of symmetry for the figure????

1

Yes

2

No

9

Although the line divides the rectangle into 2 equal halves,


when folded along the line, they do not fit exactly

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10

Multiple Choice

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Does this figure have line(s) of symmetry?

1

Yes

2

No

11

Multiple Choice

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Does this figure have line(s) of symmetry?

1

Yes

2

No

12

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13

Multiple Choice

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Does this figure have line(s) of symmetry?

1

Yes

2

No

14

Multiple Choice

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Does this figure have line(s) of symmetry?

1

Yes

2

No

15

Let's recap!

  • A line of symmetry

  • 1) divides a shape exactly in HALF

  • 2) each half will FIT EXACTLY with the other half when folded along the line

16

A line of symmetry

  • divides the figure exactly in equal HALVES

  • each half must FIT EXACTLY onto the other when folded along the line of symmetry

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17

Multiple Choice

Which of the following shapes does not have a line of symmetry?

1
2
3
4

18

Fill in the Blanks

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How many lines of symmetry does the butterfly have?

Type answer...

19

Multiple Choice

Which of the following shapes has a line of symmetry?

1
2
3
4

20

Multiple Choice

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How many lines of symmetry does this shape have?
1
0
2
1
3
2
4
4

21

Multiple Choice

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How many lines of symmetry does this shape (square) have?

1

1

2

2

3

4

4

8

pattern-tertiary

Lines of symmetry P4

1) Understand what is a line of symmetry

2) Identify lines of symmetry

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