4.G.A.3

Squarechitect: Symmetry

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Game Info for Teachers

COMBINED RATING

4.1 Stars

TEACHERS (15)

4.6

STUDENTS (3550)

3.7

LENGTH

23 Minutes

GRADES

CAPABILITIES

iPad Support

Spanish Language Support

Text-to-Speech Support

Description

A puzzle game to build figures and identifying lines of symmetry!

Vocabulary Words

symmetry

line of symmetry

two dimensional

congruent

horizontal lines

vertical lines

geometric

Instructions

Play through this interactive game to learn about Identify Lines Of Symmetry. Suitable for Grade 3, Grade 4, Grade 5.

Main Concepts

Recognize and draw line(s) of symmetry and line-symmetric figures. (May be multiple or no lines of symmetry given the shape).

Squares have 4 lines of symmetry (Half both vertical and horizontal as well as diagonals in both directions), Rectangles have 2 lines of symmetry (Horizontal and vertical), trapezoid has 1 (vertical), parallelogram has 0 lines of symmetry.

Identify and draw lines of symmetry in quadrilaterals.

Given a half of a shape draw the other half to create a symmetric figure.

Discussion Questions

Before the Game

What does it mean if a shape is symmetrical? How can you find if a shape is symmetrical? How does the line of symmetry help you determine if a shape has symmetry? Are all shapes or figures symmetrical? In what direction can a line of symmetry exist?

After the Game

How did you know if you had created a symmetrical shape in the game? How did the line on the board help you to create symmetrical shapes? Can some shapes have more than one line of symmetry? A symmetrical shape can be divided into matching halves - where in the natural world can you find a symmetry? How many lines of symmetry do squares, rectangles, trapezoid, and parallelograms have?