Test: Fun with Symmetry - Class 4 MCQ

The word symmetry is the most commonly used concept in the study of reflections of mages. It is often referred to as mirror or reflective symmetry; that means a line or plane that can be drawn through an object such that the two halves are mirror images of each other.

An image which is like a reflection in a mirror. Everything is the same, except reversed. Here the left and right sides of this lovely dog are mirror images of each other.

The X has two lines of symmetry.

It has one line of symmetry. If you were to put a mirror on the vertical line shown below you would see the other side of the heart in the mirror. Two identical sides.

Shapes B, C, and D have at least three lines of symmetry.

An image which is like a reflection in a mirror. Everything is the same, except reversed. Here the left and right sides of this lovely dog are mirror images of each other.

When you cut a corner of folded paper, the result is symmetrical patterns when unfolded. This happens because:

• The cut is mirrored on both sides of the fold.
• This creates a design that is evenly balanced.
• It demonstrates the concept of symmetry in art and design.

A triangle can have varying lines of symmetry depending on its type. An equilateral triangle has 3 lines, an isosceles triangle has 1, and a scalene triangle has none.

A rectangle has 2 lines of symmetry.

• These lines run vertically and horizontally through the centre.
• If you fold the rectangle along these lines, both sides will match perfectly.

Ambulance letters are designed to be viewed correctly in a mirror. This is done for the following reasons:

• Visibility: When an ambulance approaches, other drivers see the word "AMBULANCE" correctly in their rear-view mirrors.
• Safety: This design helps drivers quickly recognise an ambulance, allowing them to make way.
• Urgency: Quick identification ensures ambulances can navigate traffic more efficiently, crucial during emergencies.

A square has 4 lines of symmetry. This means it can be folded along these lines so that each half matches perfectly.

The line that divides a symmetrical design into two equal halves is known as the Line of Symmetry.

• A Line of Symmetry splits a shape into two mirror-image halves.
• Each side of this line is a reflection of the other.
• This concept is used in geometry and design to create balanced shapes.

• The folding and cutting technique is commonly used to create symmetrical patterns.

• This method involves folding paper or material in a specific way and then cutting it strategically.

• When unfolded, the cuts create a symmetrical design that is often intricate and balanced.

• This technique is frequently seen in arts and crafts, such as making snowflakes or decorative paper designs.

The use of shapes like triangles and squares in tile design is significant because:

• They allow for symmetrical arrangements, making designs visually appealing and balanced.

An image which is like a reflection in a mirror. Everything is the same, except reversed. Here the left and right sides of this lovely dog are mirror images of each other.