Shape Explorers: Discovering 2D Shapes!

Math Grades 1st Grade 5:56 Video
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Lesson Description

Join us on a shape adventure! Learn about ovals, diamonds, pentagons, hexagons, octagons, and trapezoids. Discover their sides, corners, and special features!

Video Resource

2D Shapes: Part 2 - Math for Kids!

Miacademy Learning Channel

Duration: 5:56
Watch on YouTube

Key Concepts

  • Identifying 2D shapes: oval, diamond, pentagon, hexagon, octagon, trapezoid.
  • Counting sides and corners of 2D shapes.
  • Understanding the concept of parallel lines in diamonds and trapezoids.

Learning Objectives

  • Students will be able to identify ovals, diamonds, pentagons, hexagons, octagons, and trapezoids.
  • Students will be able to count the number of sides and corners of each shape.
  • Students will be able to describe a key attribute of diamonds and trapezoids (parallel sides).

Educator Instructions

  • Introduction (5 mins)
    Begin by reviewing the concept of 2D shapes as flat shapes. Ask students to name some 2D shapes they already know (circle, square, triangle, rectangle). Explain that today they will learn about even more exciting 2D shapes!
  • Video Viewing (10 mins)
    Play the '2D Shapes: Part 2 - Math for Kids!' video from Miacademy Learning Channel. Encourage students to pay close attention to the names of the shapes and how many sides and corners they have.
  • Shape Discussion (10 mins)
    After the video, discuss each shape individually. Use real-world examples of each shape (e.g., an oval mirror, a diamond kite, an octagon stop sign). Ask students to describe the shape in their own words.
  • Shape Hunt Activity (10 mins)
    Have students search the classroom for objects that resemble the shapes they learned. Encourage them to explain why they think a particular object matches a specific shape.
  • Wrap-up (5 mins)
    Review all the shapes learned. Briefly discuss parallel lines again, using arms or pencils to demonstrate.

Interactive Exercises

  • Shape Matching Game
    Create a matching game where students match the shape name to its picture. This can be done on paper or using online interactive tools.
  • Shape Sorting Activity
    Provide a set of cut-out shapes (oval, diamond, pentagon, hexagon, octagon, trapezoid, as well as previously learned shapes). Have students sort the shapes into groups based on their name, the number of sides, or the number of corners.

Discussion Questions

  • What are some real-world objects that look like an oval?
  • How is a diamond different from a square?
  • What does 'pent' mean in the word 'pentagon'?
  • What does 'oct' mean in the word 'octagon'?
  • Can you find any shapes with parallel sides in the classroom?

Skills Developed

  • Shape recognition
  • Counting
  • Vocabulary building
  • Observation
  • Critical thinking

Multiple Choice Questions

Question 1:

Which shape is round like a circle, but longer?

Correct Answer: Oval

Question 2:

How many sides does a diamond have?

Correct Answer: 4

Question 3:

What does 'pent' mean in pentagon?

Correct Answer: Five

Question 4:

A hexagon has six sides and six...

Correct Answer: Corners

Question 5:

What does 'oct' mean in octagon?

Correct Answer: Eight

Question 6:

Which shape has four sides, and only one set of sides that are parallel?

Correct Answer: Trapezoid

Question 7:

Which of these shapes has 5 sides?

Correct Answer: Pentagon

Question 8:

An octagon has how many corners?

Correct Answer: 8

Question 9:

What is special about opposite sides of a diamond?

Correct Answer: They are parallel

Question 10:

If you draw a line from one side to the other on an oval, the lines are...

Correct Answer: Different lengths

Fill in the Blank Questions

Question 1:

A shape that is round, but not a perfect circle is called an _________.

Correct Answer: oval

Question 2:

A __________ has four sides and four corners and some sides are parallel.

Correct Answer: diamond

Question 3:

If a shape has five sides, it is called a _________.

Correct Answer: pentagon

Question 4:

A __________ has six sides and six corners.

Correct Answer: hexagon

Question 5:

An octagon has _________ sides.

Correct Answer: eight

Question 6:

A __________ has four sides, but only one set of sides are parallel

Correct Answer: trapezoid

Question 7:

Pent means _________.

Correct Answer: five

Question 8:

Opposite sides that go in the same direction are _________.

Correct Answer: parallel

Question 9:

Oct means __________.

Correct Answer: eight

Question 10:

An oval looks a little like an _________.

Correct Answer: egg

Educational Standards

CCSS.Math.Content.1.G.A.1:Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes. CCSS.Math.Content.1.G.A.2:Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape. (Students do not need to learn formal names such as 'right rectangular prism.') CCSS.Math.Content.1.OA.C.5:Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

Teaching Materials

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