Add and Subtract Integers

Front

What is the result of adding two negative integers, for example, -10 + (-7)?

Back

The result is -17.

Front

In a model where yellow represents positive and red represents negative, what expression does the model represent if there are four red and four yellow?

Back

The expression is -4 + (-4).

Front

If a model shows three red and no yellow, what is the value of the model?

Back

The value of the model is -3.

Front

In a model with five red and two yellow, what math expression does this represent?

Back

The expression is -5 + 2.

Front

What is the result of subtracting a negative integer from a negative integer, for example, -5 - (-12)?

Back

The result is 7.

Front

What is the sum of two positive integers?

Back

The sum is always positive.

Front

What happens when you add a positive integer to a negative integer?

Back

The result depends on the absolute values of the integers; if the positive integer is larger, the result is positive, and if the negative integer is larger, the result is negative.

Front

What is the rule for subtracting integers?

Back

To subtract an integer, add its opposite.

Front

How do you represent the expression 'subtracting a negative number' mathematically?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the result of -3 + 5?

Back

The result is 2.