Add and Subtract Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What does it mean when we say yellow is positive and red is negative?

Back

In this context, yellow represents positive values and red represents negative values in integer operations.

Front

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

Back

The result is always 0. For example, -9 + 9 = 0.

Front

How do you add two negative integers?

Back

When adding two negative integers, you add their absolute values and keep the negative sign. For example, -4 + (-4) = -8.

Front

What is the result of -4 + 4?

Back

The result is 0, as the positive and negative values cancel each other out.

Front

What is the rule for subtracting integers?

Back

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

Front

What does the expression -4 - (-2) equal?

Back

The expression simplifies to -4 + 2, which equals -2.

Front

What is the result of -12 + 12?

Back

The result is 0, as the positive and negative values cancel each other out.

Front

How do you represent the addition of two negative integers?

Back

You can represent it as the sum of their absolute values with a negative sign. For example, -3 + (-5) = -8.

Front

What is the result of -8 + 2?

Back

The result is -6, as you are moving 2 units up from -8.