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, but not a fraction or decimal.

Front

How do you represent addition of integers on a number line?

Back

To add integers on a number line, start at the first integer and move to the right for positive integers or to the left for negative integers.

Front

How do you represent subtraction of integers on a number line?

Back

To subtract integers on a number line, start at the first integer and move to the left for positive integers or to the right for negative integers.

Front

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

Back

The result depends on the absolute values; if the positive integer is larger, the result is positive, and if the negative integer is larger, the result is negative.

Front

What is the result of subtracting a negative integer from a positive integer?

Back

Subtracting a negative integer is the same as adding its positive counterpart.

Front

What is the sum of -8 and 3?

Back

-8 + 3 = -5.

Front

What is the result of 5 - 8?

Back

5 - 8 = -3.

Front

What is the result of -4 - 10?

Back

-4 - 10 = -14.

Front

What does the equation 6 + -12 = -6 represent?

Back

It represents adding a negative integer to a positive integer, resulting in a negative outcome.

Front

How do you find the sum of two integers with different signs?

Back

Find the absolute values, subtract the smaller from the larger, and use the sign of the integer with the larger absolute value.