Day 15 of 30
Practice integer subtraction
Content is AI-assisted and continuously improved through educator review
Learning Objective
Students will be able to practice integer subtraction.
In this lesson, we'll explore how to practice integer subtraction. Mathematical thinking develops logical reasoning and problem-solving abilities.
Subtraction means taking away from a group to find how many are left. When we see 5 - 2, we start with 5 objects and take away 2. We can count what's left: 3 objects remain. So 5 - 2 = 3. The "-" symbol means "minus" or "subtract." Subtraction is the opposite of addition!
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.
The operation of finding the difference between quantities
A mathematical question requiring analysis and solution
Instructions
Materials Needed
- Notebook
- Calculator (if needed)
- Graph paper
Order from least to greatest: 5, -2, 0, -7, 3
What is the opposite of -9?
-5 + 3 = ?
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 practice integer subtraction.