Adding and Subtracting Integers Using 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 means 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 one is negative, subtract the smaller absolute value from the larger and keep 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 their values. To subtract a negative integer, you can add its positive counterpart.

Front

How do you represent integers on a number line?

Back

Integers are represented on a number line with equal spacing. Positive integers are to the right of zero, and negative integers are to the left.

Front

What is the sum of -15 and 4?

Back

-11

Front

What is the sum of -5 and 8?

Back

3

Front

If you subtract -4 from -12, what is the result?

Back

-8

Front

Subtract -7 from 10. What is the result?

Back

17

Front

What is the sum of 13 and -8?

Back

5

Front

What is the absolute value of an integer?

Back

The absolute value of an integer is its distance from zero on the number line, regardless of direction. For example, the absolute value of -5 is 5.