Adding Integers Using a Number Line

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What does a number line represent?

Back

A number line is a visual representation of numbers in a straight line, showing their order and distance from each other.

Front

How do you add positive integers on a number line?

Back

To add positive integers, start at the first number and move to the right by the value of the second number.

Front

How do you add negative integers on a number line?

Back

To add negative integers, start at the first number and move to the left by the value of the second number.

Front

What happens when you add a positive integer and a negative integer?

Back

When you add a positive integer and a negative integer, you move right for the positive and left for the negative, resulting in a net movement that can be positive, negative, or zero.

Front

What is the result of adding zero to any integer?

Back

Adding zero to any integer does not change its value; the result is the same integer.

Front

What is the equation for adding opposites?

Back

The equation for adding opposites is a + (-a) = 0, where 'a' is any integer.

Front

What does it mean to add two negative integers?

Back

Adding two negative integers results in a more negative integer; you move left on the number line.

Front

What is the sum of -3 and -7?

Back

The sum of -3 and -7 is -10.

Front

What is the sum of 4 and -8?

Back

The sum of 4 and -8 is -4.