Unit 1A - Integers on a Number Line - Retake

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

How do you represent positive and negative numbers on a number line?

Back

Positive numbers are to the right of zero, while negative numbers are to the left of zero on a number line.

Front

What does it mean to add a negative number?

Back

Adding a negative number is the same as subtracting its absolute value. For example, 5 + (-3) = 5 - 3 = 2.

Front

What does it mean to subtract a negative number?

Back

Subtracting a negative number is the same as adding its absolute value. For example, 5 - (-3) = 5 + 3 = 8.

Front

How do you find the distance between two points on a number line?

Back

The distance between two points is the absolute value of the difference between them. For example, the distance between -3 and 2 is |2 - (-3)| = |2 + 3| = 5.

Front

What is the result of adding two negative integers?

Back

The result of adding two negative integers is always a negative integer. For example, -2 + (-3) = -5.

Front

What is the result of adding two positive integers?

Back

The result of adding two positive integers is always a positive integer. For example, 2 + 3 = 5.

Front

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

Back

The result can be positive, negative, or zero, depending on the values. For example, 3 + (-5) = -2.

Front

How do you represent a loss in money on a number line?

Back

A loss in money is represented by a negative number. For example, spending $3 is represented as -3.

Front

If Lila has saved $90, $50, and $60, how much has she saved in total?

Back

Lila has saved a total of $90 + $50 + $60 = $200.