Integers and the Meaning of Zero

Write an integer to represent this situation. Since his last vet appointment, a cat lost 2 ounces.

• +2

• 0

• 4

• -2

What is the meaning of zero in this situation? Since his last vet appointment, a cat lost 2 ounces.

• the vet

• the cat's weight at last appointment

• the cat's weight when he was born

• 0

Write the integer to represent this situation. Mallori withdrew $15 from her checking account.

What does zero represent in this situation? Mallori withdrew $15 from her checking account.

• when Mallori first started her checking account

• the amount Mallori now has in her checking account

• the $15 being withdrew

• the amount Mallori had before withdrawing $15 in her account

What is zero in this situation? Addi swam 4 feet below the surface of the water in a pool.

• the surface of the water in the pool

• sea level

• the bottom of the pool

• 0

Addi swam 4 feet below the surface of the water in a pool. Represent the depth at which she swam using an integer.

Mrs. Huju was driving 5 miles over the speed limit. Write an integer to represent this situation.

• +50

• -5

• -50

• +5

What is zero in this situation? Mrs. Huju is driving five miles over the speed limit.

• 0 - speed when car is stopped

• the speed limit

• five miles over the speed limit

• 65 MPH

Andrew is on floor 97 of the Willis Tower. Write an integer to represent what floor Andrew is on.

What is zero in this situation? Andrew is on floor 97 of the Willis tower (the tallest building in the United States).

• sea level

• 97 floor

• the ground floor (floor 1)

• the top of Willis tower