Chapter 2 Review Operations with Positive and Negative Numbers

Front

Back

9

Front

How many 1/2 ounce packages can be made from 20 ounces of peanuts?

Back

40

Front

An elevator starts on the 15th floor, goes up 6 floors, down 8 floors, down 2 more floors, and then back up 2 floors. Which floor does it end on?

Back

13th floor

Front

Back

-7

Front

Back

154

Front

Define positive numbers.

Back

Numbers greater than zero.

Front

Define negative numbers.

Back

Numbers less than zero.

Front

What is the absolute value of a number?

Back

The distance of a number from zero on the number line, always positive.

Front

What is the result of adding a positive number to a negative number?

Back

The result depends on the absolute values; if the positive number is larger, the result is positive, otherwise it's negative.

Front

What happens when you multiply two negative numbers?

Back

The result is a positive number.