Adding Integers with Number Lines

Front

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

Back

The result can be positive, negative, or zero, depending on the values of the integers.

Front

What does the number line represent in addition problems?

Back

The number line visually shows the position of numbers and how they change when adding integers.

Front

What is the starting number in the expression -2 + 7?

Back

-2 is the starting number.

Front

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

Back

You move to the left from the starting number.

Front

What is the equation for moving from 7 to -6 on a number line?

Back

7 + -13 = -6.

Front

What does the expression 15 + -25 represent?

Back

It represents starting at 15 and moving left 25 units on the number line.

Front

What is the result of 3 + -4?

Back

-1.

Front

How do you find the sum of two integers on a number line?

Back

Start at the first integer and move right for positive integers or left for negative integers.

Front

What is the sum of -4 and 7?

Back

3.

Front

What does it mean to add integers with different signs?

Back

You subtract the smaller absolute value from the larger absolute value and take the sign of the number with the larger absolute value.