Adding and Subtracting Integers on a Number Line

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What does it mean to add integers?

Back

Adding integers involves combining their values. If both integers are positive, the result is positive. If both are negative, the result is negative. If one is positive and the other is negative, subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.

Front

What does it mean to subtract integers?

Back

Subtracting integers means finding the difference between them. This can be done by adding the opposite of the integer being subtracted.

Front

How do you represent -8 + 3 on a number line?

Back

Start at -8 on the number line, then move 3 units to the right. The result is -5.

Front

What is the result of 5 - 8?

Back

The result is -3.

Front

Back

You start at 8.

Front

What is the result of -4 - 10?

Back

The result is -14.

Front

How do you find the sum of -8 and 3 on a number line?

Back

Start at -8 and move 3 units to the right to reach -5.

Front

Back

You start at 18.

Front

Back

The result is 2.