Flat Shapes

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Finding All of the Flat Shapes
Finding All of the Flat Shapes
Lesson Plan
Finding All of the Flat Shapes
2D shapes are all around us! In this lesson students will explore the properties of four different shapes—triangles, circles, rectangles, and squares! They will learn that they can find these shapes anywhere in the world around us.
Kindergarten
Lesson Plan
Shapes Inside Shapes
Shapes Inside Shapes
Lesson Plan
Shapes Inside Shapes
Look all around! We can find 2D shapes inside 3D shapes wherever we go! In this lesson, students will sort shapes and recognize the 2D components of common 3D shapes.
Kindergarten
Lesson Plan
Shapes Within Shapes
Shapes Within Shapes
Worksheet
Shapes Within Shapes
Take a closer look at 3-D shapes with this fun worksheet that challenges kids to find 2-D shapes within 3-D shapes.
2nd grade
Worksheet
Shapes Quiz
Shapes Quiz
Game
Shapes Quiz
In this online shapes quiz kids identify shapes based on attributes.
3rd grade
Game
Quizzical Shapes
Quizzical Shapes
Lesson Plan
Quizzical Shapes
Shapes, shapes everywhere! In this lesson, your students will identify shapes and differentiate between the geometrical figures. They will also learn about sides and angles in every shape.
Kindergarten
Lesson Plan
Measuring Shapes
Measuring Shapes
Worksheet
Measuring Shapes
These colorful basic shapes make math practice fun! Your child can work on measurement skills with this measuring shapes worksheet.
Kindergarten
Worksheet
Christmas Shapes
Christmas Shapes
Worksheet
Christmas Shapes
Christmas shapes practice is fun and festive for your little learner. Use this Christmas shapes worksheet to go on a shape hunt with your child.
Kindergarten
Worksheet
Basic Shapes
Basic Shapes
Worksheet
Basic Shapes
Bust out those crayons, it's time to test your knowledge of basic shapes! Have your first grader sort out these shapes by color.
1st grade
Worksheet
Outer Space Shapes
Outer Space Shapes
Lesson Plan
Outer Space Shapes
In this fun space themed lesson plan, students will learn practice comparing and contrasting 2D and 3D shapes. This can be used as a stand alone lesson or pre-lesson for the **Shapes Inside Shapes** lesson plan.
Kindergarten
Lesson Plan
Valentine Shapes
Valentine Shapes
Worksheet
Valentine Shapes
Valentine shapes get your child to practice basic geometry while celebrating Valentine's Day. See what valentine shapes you can find in this worksheet.
Kindergarten
Worksheet
Cone Shapes
Cone Shapes
Worksheet
Cone Shapes
Help your child get to know 3-D shapes with this find-the-shape worksheet that asks her to circle the cone shapes, then draw examples of her own.
1st grade
Worksheet
Vehicle Shapes
Vehicle Shapes
Worksheet
Vehicle Shapes
Introduce your child to vehicle shapes with this fun match-up activity. She'll get to practice sorting and categorizing vehicle shapes as she goes.
Preschool
Worksheet
Preschool Shapes Song
Preschool Shapes Song
Song
Preschool Shapes Song
Shapes all around! Kids learn basic preschool shapes with this sweet song.
Preschool
Song
Cemetery Shapes
Cemetery Shapes
Worksheet
Cemetery Shapes
Color the shapes in this spooky cemetery scene! Kids will practice identifying basic shapes and classifying them using the color code at the top of the page.
Kindergarten
Worksheet
Solid Shapes: Identifying 3D Shapes
Solid Shapes: Identifying 3D Shapes
Lesson Plan
Solid Shapes: Identifying 3D Shapes
Introduce your students to 3D solid geometric shapes and encourage them explore their everyday space for these shapes. In this lesson, they will learn to look at a ball as a sphere!
Kindergarten
Lesson Plan
Mission: Shapes #2
Mission: Shapes #2
Worksheet
Mission: Shapes #2
Are you ready for a math mission? In this shapes worksheet, your child will help this alien collect shapes! He'll identify the shapes by color coding them.
Kindergarten
Worksheet
String Shapes!
String Shapes!
Lesson Plan
String Shapes!
Give your students some early practice with shapes using this simple lesson. Young learners will have a great time creating shapes using pieces of string.
Kindergarten
Lesson Plan
Shapes Song
Shapes Song
Song
Shapes Song
Kids learn simple shapes and their attributes in this sweet song.
Kindergarten
Song
Basic Shapes
Basic Shapes
Workbook
Basic Shapes
Circles, squares, diamonds and polygons; this book focuses on the most basic ones, and some silly shapes too. Kids can trace, draw and match shapes to the heart's content. Hey that's a shape, too!
Preschool
Workbook
Shape Basics: Congruent Shapes
Shape Basics: Congruent Shapes
Worksheet
Shape Basics: Congruent Shapes
Kids build their shape knowledge by identifying congruent shapes.
2nd grade
Worksheet
Dividing Clay Shapes
Dividing Clay Shapes
Lesson Plan
Dividing Clay Shapes
Students will use their hands to mold clay into shapes, then divide those shapes into equal and unequal quarters.
1st grade
Lesson Plan
Composing Shapes
Composing Shapes
Lesson Plan
Composing Shapes
Students will love composing and decomposing two-dimensional shapes using tangram puzzle pieces. Use this plan alone or to frontload key vocabulary and concepts taught in the lesson plan **Know Your Shapes.**
1st grade
Lesson Plan
Robot Shapes
Robot Shapes
Worksheet
Robot Shapes
Identify with your child the different shapes that make up these colorful robots!
Kindergarten
Worksheet
Subtraction with Shapes
Subtraction with Shapes
Worksheet
Subtraction with Shapes
Practicing subtraction is simple. All you have to do is count the total number of shapes in each box then take away the darker shapes.
Kindergarten
Worksheet
Shapes Maze
Shapes Maze
Worksheet
Shapes Maze
Follow the stars to help this little astronaut get home! This shapes maze helps kids with shape identification.
Preschool
Worksheet

Flat Shapes

Let’s give our children’s spatial abilities a boost with these delightful games that will stretch their understanding of rectangles, parallelograms, and other flat shapes. To give your children the flat shapes help they need and keep learning as fun as possible, try puzzles. Once a child understands the concept of 2D objects, it won’t be long until they are studying 3D shapes.
The first encounter with geometry that students have will be with flat shapes, also known as plane shapes because they exist on a two dimensional plane.

Plane shapes have different attributes. While many of the attributes will vary from shape to shape, all plane shapes share two: They are all two dimensional and are all closed. Other attributes include the number of sides, the number of angles, and the number of vertices.
  • An angle is a shape formed by two lines diverging from a single point.
  • A vertex is the point from which two lines making an angle diverge.
  • A side is one line that makes up a flat or plane shape.
Many flat shapes have other attributes as well. Going over these with your students may help them identify these shapes. Some examples are:
  • Circles
    • No sides
    • No angles
    • No vertices
    • Every point is the same fixed distance from the center of the circle
  • Squares
    • 4 straight sides
    • All sides are the same length
    • 4 vertices
    • 4 right angles (90 degree angles)
    • Both sets of opposing sides are parallel lines
  • Rectangles
    • 4 straight sides
    • 4 right angles
    • 4 vertices
    • Both sets of opposing sides are parallel lines
    • Both sets of opposing sides are of equal length
Reviewing the above attributes, students may realize that some shapes meet multiple sets of criteria. A square, for example, is a special kind of rectangle and rhombus. Using the resources provided above by Education.com may help students begin to understand these 2 dimensional shapes and give them a head start in geometry.