Thick and Thin: Comparing Sizes!

Math Grades 1st Grade 1:50 Video
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Lesson Description

Let's learn about thick and thin! We'll compare different objects to see which is thicker and which is thinner. Get ready to use your eyes and compare!

Video Resource

Learn Grade 1 - Maths - Thick and Thin

KidsClassroom - Nursery Rhymes & Kids Songs

Duration: 1:50
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Key Concepts

  • Thick
  • Thin
  • Comparison

Learning Objectives

  • Students will be able to identify objects that are thick and thin.
  • Students will be able to compare two objects and determine which is thicker or thinner.

Educator Instructions

  • Introduction (5 mins)
    Begin by asking students if they know what 'thick' and 'thin' mean. Show them your hands and ask them is your hand thick or thin? Introduce the video 'Learn Grade 1 - Maths - Thick and Thin'.
  • Watch the Video (3 mins)
    Play the video 'Learn Grade 1 - Maths - Thick and Thin'. Encourage students to pay attention to the objects being compared.
  • Discussion (5 mins)
    After the video, review the concepts of thick and thin. Ask students to name some objects they saw in the video that were thick and some that were thin.
  • Activity: Thick or Thin? (10 mins)
    Gather a collection of objects (e.g., books, crayons, pencils, blocks, paper). Have students compare the objects in pairs and identify which is thicker and which is thinner. Have students explain *why* they think one object is thicker than the other.
  • Wrap-up (2 mins)
    Quickly review the meaning of 'thick' and 'thin'. Preview worksheet for take home work to reinforce the lesson.

Interactive Exercises

  • Classroom Scavenger Hunt
    Have students search the classroom for objects that are thick and thin. They can then share their findings with the class.

Discussion Questions

  • Can you think of something that is very thick?
  • Can you think of something that is very thin?
  • How can you tell if something is thick or thin?

Skills Developed

  • Observation
  • Comparison
  • Critical Thinking

Multiple Choice Questions

Question 1:

Which is thicker, a big book or a piece of paper?

Correct Answer: A big book

Question 2:

Which is thinner, a fluffy blanket or a towel?

Correct Answer: A towel

Question 3:

Which one can be thick?

Correct Answer: Book

Question 4:

Which one can be thin?

Correct Answer: A coin

Question 5:

Which of the following is thicker?

Correct Answer: A tree trunk

Question 6:

What is the opposite of thick?

Correct Answer: Thin

Question 7:

If you have a big crayon and a skinny crayon, which is thicker?

Correct Answer: Big crayon

Question 8:

Is your hair thick or thin?

Correct Answer: Thick

Question 9:

Your jacket is ___ than your shirt.

Correct Answer: Thicker

Question 10:

Which word helps us compare things?

Correct Answer: Comparison

Fill in the Blank Questions

Question 1:

A fluffy blanket is ____ than a sheet of paper.

Correct Answer: thicker

Question 2:

A piece of thread is ____ than a rope.

Correct Answer: thinner

Question 3:

My thumb is ____ than my finger.

Correct Answer: thicker

Question 4:

A ___ of bread can be thick.

Correct Answer: slice

Question 5:

A sheet of paper is often ____.

Correct Answer: thin

Question 6:

The story book is very ____

Correct Answer: thick

Question 7:

The red rope is ____ than a hose.

Correct Answer: thinner

Question 8:

We ___ sizes with each other.

Correct Answer: compare

Question 9:

We use words like thick and thin for ____.

Correct Answer: comparing

Question 10:

Show me your ____ brushes!

Correct Answer: paint

Educational Standards

CCSS.Math.Content.1.MD.A.1:Order three objects by length; compare the lengths of two objects indirectly by using a third object. CCSS.Math.Content.1.MD.A.2:Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.

Teaching Materials

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