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Convex and Concave Polygons

Convex and Concave Polygons

Assessment

Interactive Video

•

Mathematics

•

4th - 5th Grade

•

Practice Problem

•

Hard

Created by

Thomas White

FREE Resource

This video tutorial introduces students to the concepts of convex and concave polygons. It explains that convex polygons have all sides pushed outward, while concave polygons have at least two sides pushed inward. The teacher provides examples of each type and offers mnemonic devices to help students remember the differences. The lesson concludes with a review and a homework assignment to draw examples of both types of polygons.

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of this lesson?

Understanding the properties of circles

Identifying different types of triangles

Exploring the history of geometry

Learning about convex and concave polygons

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of a convex polygon?

All sides are pushed inward

At least two sides are pushed inward

All sides are pushed outward

At least one side is curved

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which shape is NOT an example of a convex polygon?

Hexagon with all sides outward

Star with some sides inward

Square with all sides outward

Triangle with all sides outward

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common feature of all convex polygons?

They have curved sides

All sides are pushed inward

All sides are pushed outward

They have no angles

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is another term for concave polygons?

Regular polygons

Non-convex polygons

Irregular polygons

Convex polygons

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many sides must be pushed inward for a polygon to be considered concave?

At least two

At least one

All sides

None

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a concave polygon?

A hexagon with all sides outward

A square with all sides outward

A star with some sides inward

A triangle with all sides outward

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