Integer Operations and Their Properties

This video tutorial covers the basics of integers, including their definition and representation. It explains how to add, subtract, multiply, and divide integers using visual aids like number lines and two-color counters. The tutorial also provides rules for operations with integers and introduces a Tic Tac Toe method for remembering multiplication and division rules. The lesson concludes with additional resources for further learning.

What is the set of integers denoted by?

• Z

• I

• N

• R

Which of the following is NOT an integer?

• -3

• 2

• 1.5

• 0

How do you represent -7 + 2 on a number line?

• Start at 0, move right 2, then left 7

• Start at 0, move left 2, then right 7

• Start at 0, move right 7, then left 2

• Start at 0, move left 7, then right 2

What does a zero pair consist of in two-color counters?

• Two red chips

• Two yellow chips

• One red and one yellow chip

• One red and two yellow chips

What is the result of -7 + 2 using two-color counters?

• -9

• 5

• -5

• 9

What happens when you subtract a negative number?

• Move in any direction

• Stay at the same position

• Move right on the number line

• Move left on the number line

What is the result of -7 - (-4) using a number line?

• -11

• -3

• 11

• 3

If two addends have the same sign, what will be the sign of their sum?

• Zero

• Positive

• Depends on the numbers

• Negative

What is the result of adding -3 and 6?

• 9

• -9

• -3

• 3

How can a subtraction problem be rewritten?

• As a subtraction problem

• As a multiplication problem

• As a division problem

• As an addition problem