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.

Front

What does it mean to add integers with the same sign?

Back

When adding integers with the same sign, you add their absolute values and keep the sign.

Front

What does it mean to add integers with different signs?

Back

When adding integers with different signs, you subtract their absolute values and take the sign of the integer with the larger absolute value.

Front

What is the result of (-2) - (-3)?

Back

1

Front

What is the result of -7 - 2?

Back

-9

Front

How do you find the sum of 1 + 7 on a number line?

Back

Start at 1 and move 7 units to the right to reach 8.

Front

What is the result of -8 + 20?

Back

12

Front

What is the result of -3 + (-4)?

Back

-7

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent numbers visually.

Front

How do you represent -5 on a number line?

Back

Start at 0 and move 5 units to the left.