1.1-1.3 Review for Test

What is the reason that absolute value is always written as a positive?

• Absolute value is talking about numbers so it must be positive.

• Absolute value does not always have to be positive.

• Absolute value is like a clock it has only positive numbers.

• Absolute value is talking about distance, distance is always measured by positive numbers.

What is the opposite of -9?

• 9

• 1/9

• 0

• -9

Find the Absolute Value of | -18 |

• 18

• -18

• 36

• -36

Which situation cannot be represented by the integer -10?

• an elevation of 10 feet below sea level

• a temperature increase of 10°F

• a golf score of 10 under par

• a bank withdrawal of $10

Which situation could the integer -50 represent?

• An increase of $50 in a bank account

• The temperature on a warm spring day

• The distance driven on the way to the beach

• A decrease of 50 employees

Which set of integers is written in order from GREATEST to LEAST?

• -3, -9, -6

• -3, 2, 5

• 2, -1, -3

• 4, 10, 12

How do you know that 5 and -5 are opposites?

• Because they both have a 5

• They are the same distance from 0 and on opposite sides of 0

• Because they are the same

• They both are on a number line

numbers that are less than zero and located to the left of zero on the number line

• positive numbers

• negative numbers

• integers

• signed numbers

Write an integer for each situation.

a profit of $12

• 120

• -120

• 12

• 1.2

1,440 feet below sea level

• -1,440

• 1,440

• 1.44

• -144