Subtracting Integers Concepts and Methods

This video tutorial covers lesson 1.3 on subtracting integers. It introduces three methods: using counters, using a number line, and adding the opposite. The tutorial explains how to use zero pairs with counters and demonstrates subtraction on a number line with specific rules. An example involving temperature change is provided to illustrate the concepts. The video concludes with guided practice for students to apply what they've learned.

What is the essential question for this lesson on subtracting integers?

• How do you multiply integers?

• What are integers?

• How do you add integers?

• How do you subtract integers?

Which method is NOT mentioned for subtracting integers?

• Using a number line

• Using counters

• Adding the opposite

• Using a calculator

What is a zero pair in the context of integer subtraction?

• A positive and a negative number that sum to zero

• A pair of positive numbers

• A pair of negative numbers

• Two zeros

When subtracting integers using counters, what do you do if you don't have enough negatives to subtract?

• Add zero pairs

• Use a calculator

• Add more positive counters

• Subtract more negatives

In the example of subtracting 6 minus negative 3 using counters, what is the result?

• Positive 3

• Negative 9

• Negative 3

• Positive 9

What is the first step in subtracting integers on a number line?

• Find the opposite

• Add zero pairs

• Move to the right

• Start at zero

According to the special rule, subtracting a positive is the same as:

• Subtracting zero

• Adding a negative

• Subtracting a negative

• Adding a positive

In the example of subtracting 5 minus 3 on a number line, where do you end up?

• At 5

• At 2

• At 3

• At 0

What is the result of negative 1 minus 5 on a number line?

• Positive 4

• Negative 4

• Positive 6

• Negative 6

In the temperature change scenario, what is the change in temperature from negative 5 to negative 2 degrees Celsius?

• Increase by 3 degrees

• Decrease by 3 degrees

• Decrease by 7 degrees

• Increase by 7 degrees