Odd and Even Numbers: What’s the Difference?

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Lesson Details

Grade Level
K-2
Duration (minutes)
1
Summary
This quick lesson teaches K-2 students the difference between odd and even numbers using a simple pairing strategy. By grouping numbers of objects into pairs, students learn that a number with no leftovers is even, while a number with one object left over is odd, reinforced through several examples (4, 5, 6, 7) and a skip-counting pattern (2, 4, 6, 8, 10), ending with a quick quiz to check understanding.

Student Worksheet: Odd vs. Even Numbers

Teacher Note: Students can watch the video lesson above and answer the questions. Click the “Teacher Answer Key” dropdown below when you are ready to review the solutions!

Key Concepts:

• Even Number: A number where every object can be paired up with no leftovers.

• Odd Number: A number where one object is left over after pairing.

Instructions: Read each question carefully and write your answer in the space provided.

  1. Question 1: How can you tell if a number is even?
  2. Question 2: How can you tell if a number is odd?
  3. Question 3: Is the number 5 odd or even? How do you know?
  4. Question 4: Is the number 6 odd or even? How do you know?
  5. Question 5: Write the next three numbers in this even number pattern: 2, 4, 6, 8, ___, ___, ___.
  6. Question 6: Is 8 odd or even? Is 9 odd or even?
Click to reveal Teacher Answer Key

1. A number is even when you can pair up all the objects with no leftovers.

2. A number is odd when one object is left over after pairing.

3. Odd — pairing 5 objects leaves one without a partner.

4. Even — pairing 6 objects makes three complete pairs with no leftovers.

5. 10, 12, 14.

6. 8 is even; 9 is odd.

Disclaimer: This worksheet was generated with AI assistance based on original video content. It is intended for educational reference only. Teachers are encouraged to review and adjust questions to fit their curriculum standards before classroom use.

🎯 Extension Activity: Give students a small pile of objects (buttons, blocks, or coins) in different quantities. Have them physically pair up the objects for each quantity, then sort their piles into two groups: "Even" and "Odd," writing down each number under the correct heading.

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