1.1 Adding Integers

Front

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

Back

The result can be found by subtracting the absolute value of the negative integer from the positive integer. If the absolute value of the negative integer is greater, the result will be negative.

Front

What does the equation 15 + (-25) represent?

Back

It represents adding 15 and subtracting 25, resulting in -10.

Front

How do you interpret a number line when adding integers?

Back

You start at the first integer and move to the right for positive integers and to the left for negative integers.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, |9| = 9 and |-9| = 9.

Front

What is the result of 3 + (-12)?

Back

The result is -9.

Front

How can you represent the addition of two integers using counters?

Back

Use two-color counters: one color for positive integers and another for negative integers. The total is the difference between the two colors.

Front

What does the equation 4 + (-1) equal?

Back

It equals 3.

Front

What is the result of adding two negative integers?

Back

The result is always negative and is found by adding their absolute values.

Front

What is the result of -2 + 4?

Back

The result is 2.

Front

What does the equation 4 + (-6) equal?

Back

It equals -2.