Understanding Integer Operations with Models

The video tutorial by Houston Math Prep explores integer subtraction models, starting with the chip model, which connects to integer addition. It demonstrates subtraction using positive and negative chips, emphasizing the concept of zero pairs. The number line model is introduced, showing how subtraction can be visualized as moving in opposite directions. The video also covers the concept of adding opposites, illustrating how subtraction can be transformed into addition. Examples are provided for clarity, and the video concludes with encouragement for further exploration of integer concepts.

What is the primary focus of the video tutorial?

• Integer subtraction models

• Whole number multiplication

• Fraction addition models

• Integer addition models

Which model is introduced first in the video?

• Algebraic model

• Graphical model

• Chip model

• Number line model

What does the chip model emphasize about opposite integers?

• They subtract to one

• They add to zero

• They multiply to one

• They divide to zero

In the chip model, what color represents a positive chip?

• Green

• Yellow

• Blue

• Red

How many negative chips are left after modeling -5 - (-2) using the chip model?

• Four

• One

• Two

• Three

What is the result of 4 - (-2) using the chip model?

• 8

• 6

• 4

• 2

What does the number line model use to represent positive numbers?

• Backward steps

• Diagonal steps

• Sideways steps

• Forward steps

In the number line model, what does subtraction involve?

• Turning and facing the same way

• Turning and facing the opposite way

• Skipping numbers

• Jumping over numbers

Where does the character end up after modeling 1 - (-4) on the number line?

• At positive 3

• At positive 5

• At negative 3

• At negative 5

What is the result of -2 - (-3) using the number line model?

• Positive 2

• Positive 1

• Zero

• Negative 1