ALEX | Alabama Learning Exchange

Lines of Symmetry StudyJam

Classroom Resource Information

Title:

Lines of Symmetry StudyJam

URL:

https://studyjams.scholastic.com/studyjams/jams/math/geometry/lines-of-symmetry.htm

Content Source:

Other
http://studyjams.scholastic.com/

Type:

Interactive/Game

Overview:

In this interactive activity, students will be led through steps to identify lines of symmetry in different figures. There are teaching activities as well as practice activities available. A handout that reviews the steps taught during the activity can be printed. After utilizing this resource, the students can complete the short quiz to assess their understanding.

Content Standard(s):

Mathematics
MA2019 (2019)
Grade: 4

29. Define a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts.

a. Identify line-symmetric figures and draw lines of symmetry.

Unpacked Content

Evidence Of Student Attainment:

Students:

Given a shape, identify a line of symmetry.
Given a shape, identify the number of lines of symmetry.
Given half of a two-dimensional figure on grid paper, draw the other half so that the two sides are symmetrical and include the line of symmetry that separates the two halves.
Justify the existence or non-existence of line symmetry within figures by drawing the lines of symmetry.

Teacher Vocabulary:

Symmetry
Two dimensional figure
Line of symmetry

Knowledge:

Students know:

Characteristics of lines of symmetry.

Skills:

Students are able to:

Define a line of symmetry for a two-dimensional figure.
Identify and draw lines of symmetry for two-dimensional figures.

Understanding:

Students understand that:

a line of symmetry divides a shape into two parts such that when folded on the line, the two parts match.

Diverse Learning Needs:

Essential Skills:

Learning Objectives:
M.4.29.1: Identify line symmetric figures.
M.4.29.2: Draw lines of symmetry on a one-dimensional figure.
M.4.29.3: Recognize lines of symmetry on a one-dimensional figure.

Prior Knowledge Skills:

Recognize a fraction as part of a whole.
Decompose a large pre-made shape using smaller shapes.
Compose a large pre-made shape using smaller shapes.
Partition a rectangle into rows and columns of same-size squares, and count to find the total number of them.
Partition circles and rectangles into two, three, or four equal shares; describe the shares using the words halves, thirds, half of, a third of, etc.; and describe the whole as two halves, three thirds, or four fourths.
Define halves, thirds, fourths, quarters, whole, parts (shares) and equal.
Distinguish between equal and non-qual parts.
Model partitioning circles and rectangles.
Decompose pictures made of simple shapes.

Alabama Alternate Achievement Standards

AAS Standard:
M.AAS.4.29 Given a drawing of a shape with a line drawn across the shape, identify if it is divided symmetrically.

Tags:

congruent, geometry, similar figures, symmetry

License Type:

Custom Permission Type
See Terms: http://www.scholastic.com/terms.htm
For full descriptions of license types and a guide to usage, visit :
https://creativecommons.org/licenses

Accessibility

Text Resources: Content is organized under headings and subheadings

Comments

The quiz may be completed as a whole group or independently on student devices.

Scholastic StudyJam is free for teachers. Teachers do not need to create an account to access available resources.

This resource provided by:

Author:

Hannah Bradley

ALEX Classroom Resource

Lines of Symmetry StudyJam