Integer Operations (w/ model) [addition & subtraction]

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

What is the result of adding two negative integers?

Back

The result is always a negative integer. For example, -4 + (-3) = -7.

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. For example, -2 + 5 = 3.

Front

What is the rule for subtracting integers?

Back

To subtract an integer, add its opposite. For example, to calculate 5 - 3, think of it as 5 + (-3).

Front

What is the result of subtracting a negative integer from a positive integer?

Back

The result is always greater than the positive integer. For example, 5 - (-3) = 5 + 3 = 8.

Front

What does the number line represent in integer operations?

Back

The number line visually represents integers and their relationships, showing addition and subtraction as movements left or right.

Front

How do you model the expression -4 + 7 on a number line?

Back

Start at -4 and move 7 units to the right, landing at 3.

Front

What is the sum of -6 and 9?

Back

The sum is 3, calculated as -6 + 9 = 3.

Front

What is the difference between 14 and 9?

Back

The difference is 5, calculated as 14 - 9 = 5.

Front

What is the result of -2 + 5?

Back

The result is 3, calculated as -2 + 5 = 3.