Understanding Integer Addition

The video tutorial introduces the concept of adding integers by using a money analogy, where negative numbers represent losses and positive numbers represent gains. It provides two examples: adding -5 and 2, and adding -3 and -6, both explained using the money analogy and modeled on a number line. The tutorial concludes with a preview of upcoming examples and the formal rules for adding integers.

How can we interpret a negative number in the context of money?

• As a doubling of money

• As a neutral amount

• As a gain of money

• As a loss of money

Tags

CCSS.7.NS.A.1C

What is the result of adding negative 5 and positive 2 using the money analogy?

• A gain of $7

• A loss of $7

• A loss of $3

• A gain of $3

Tags

CCSS.7.NS.A.1B

On a number line, how do you represent adding a positive number to a negative number?

• Move right for the negative and left for the positive

• Move left for the negative and right for the positive

• Move left for both numbers

• Move right for both numbers

Tags

CCSS.7.NS.A.1C

What does negative 3 plus negative 6 represent in terms of money?

• A total loss of $6

• A total loss of $9

• A total gain of $3

• A total gain of $9

Tags

CCSS.7.NS.A.1B

How do you model negative 3 on a number line?

• Start at 0 and move right 3 units

• Start at 0 and move left 3 units

• Start at -3 and move right 3 units

• Start at 3 and move left 3 units

Tags

CCSS.7.NS.A.1C

When adding a negative number to another negative number on a number line, which direction do you move?

• Right for the first and left for the second

• Left for the first and right for the second

• Left for both numbers

• Right for both numbers

Tags

CCSS.7.NS.A.1C

What is the sum of negative 3 and negative 6?

• Negative 9

• Negative 3

• Positive 3

• Positive 9

Tags

CCSS.7.NS.A.1D

What will the next examples focus on?

• Using only formal rules

• Using both the money analogy and formal rules

• Using only the number line

• Using only the money analogy

Tags

CCSS.7.NS.A.1C

What is the purpose of using a money analogy in learning integer addition?

• To make it more complex

• To avoid using number lines

• To simplify understanding

• To confuse learners

Tags

CCSS.7.NS.A.1C