Integer Operations and Properties

What is an integer?

• A number that is not whole.

• A number that includes negative numbers, positive numbers, and zero.

• A number that is always positive.

• A number that is always negative.

What is the mathematical equivalent of adding a negative number?

• Adding a positive number.

• Subtracting a positive number.

• Multiplying by a negative number.

• Dividing by a positive number.

What is the mathematical equivalent of subtracting a negative number?

• Adding a positive number.

• Subtracting a positive number.

• Multiplying by a negative number.

• Dividing by a positive number.

How many different types of problems (cases) are there when adding or subtracting integers?

• Two

• Three

• Four

• Five

If you have the problem 7 - (-3), what is the equivalent expression and its answer?

• 7 + 3 = 10

• 7 - 3 = 4

• 7 + (-3) = 4

• 7 - 3 = 10

What is the result of 8 - 10?

• -2

• 2

• -18

• 18

Which statement correctly describes Rule 1 for integer operations?

• Adding a negative number is the same as adding a positive number.

• Adding a negative number is the same as subtracting a positive number.

• Subtracting a negative number is the same as adding a positive number.

• Subtracting a negative number is the same as subtracting a positive number.

What is the result of -7 + (-3)?

• -4

• 4

• -10

• 10

What is the result of -8 + 5?

• -13

• 13

• -3

• 3

Which statement correctly describes Rule 2 for integer operations?

• Adding a negative number is the same as adding a positive number.

• Adding a negative number is the same as subtracting a positive number.

• Subtracting a negative number is the same as adding a positive number.

• Subtracting a negative number is the same as subtracting a positive number.