Unit 19: Intro to Negative Numbers and Integers

Day 6 of 30

Compare integers

3-5Mathematics

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Learning Objective

Students will be able to compare integers.

Today's Lesson

In this lesson, we'll explore how to compare integers. Mathematical thinking develops logical reasoning and problem-solving abilities.

Comparing numbers means deciding which is greater (more), which is less (fewer), or if they are equal (the same). We use symbols: > means "greater than," < means "less than," and = means "equal to." For example: 7 > 5 (7 is greater than 5), 3 < 8 (3 is less than 8), 4 = 4 (4 equals 4). To remember: The symbol always "eats" the bigger number, like a hungry mouth! Comparing helps us understand the size of numbers.

As you work through today's material, pay attention to the examples and try to identify the patterns or strategies being used. This will help you apply these concepts to new problems.

Take notes on key points and make connections to what you've already learned in previous lessons.

Key Terms
Problem

A mathematical question requiring analysis and solution

Solution

The result obtained by solving a problem

Activities
Instructions
1. Review the example problems for compare integers. 2. Identify the steps and strategies used. 3. Work through practice problems independently. 4. Compare solutions with a partner.
Materials Needed
  • Notebook
  • Calculator (if needed)
  • Graph paper
Practice Problems
1

Which is greater: 34 or 28?

Hint: Compare the tens first. If equal, compare the ones.
2

Write the correct symbol: 56 ___ 65

Hint: Use <, >, or =.
3

Compare: 89 and 98. Which is less?

Hint: Look at the tens place first.

Teaching Tip

For this age group: Balance direct instruction with collaborative activities. Allow students to explain their thinking and make connections to prior knowledge when exploring compare integers.

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