Integer Addition Using Number Line and Counters

Front

What are opposites in mathematics?

Back

Opposites are numbers that are the same distance from zero on a number line but in opposite directions. For example, 5 and -5 are opposites.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, the absolute value of -7 is 7.

Front

What does it mean to add integers?

Back

Adding integers involves combining positive and negative whole numbers. The result can be positive, negative, or zero.

Front

What is the sum of (-2) + (+8)?

Back

6

Front

What is the equation for a scuba diver who dives down 25 feet and swims up 11 feet?

Back

-25 + 11 = -14

Front

What is the absolute value of |-99|?

Back

99

Front

What is the sum of -5 and 4?

Back

-1

Front

How do you represent a negative number on a number line?

Back

A negative number is represented to the left of zero on a number line.

Front

How do you represent a positive number on a number line?

Back

A positive number is represented to the right of zero on a number line.

Front

What is the result of adding two negative integers, such as (-3) + (-4)?

Back

The result is a more negative integer, in this case, -7.