CPM CC2 Chapter 3 Review

Front

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

Back

When you subtract a negative number from a positive number, it is equivalent to adding the absolute value of that negative number to the positive number.

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, first find a common denominator, convert the fractions, and then subtract the numerators.

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is always positive.

Front

How do you divide a negative number by a positive number?

Back

When you divide a negative number by a positive number, the result is negative.

Front

What is the sum of a positive number and a negative number?

Back

The sum of a positive number and a negative number depends on the absolute values of the numbers; if the positive number is larger, the result is positive, and if the negative number is larger, the result is negative.

Front

What is the process for adding fractions?

Back

To add fractions, ensure they have a common denominator, then add the numerators and keep the common denominator.

Front

What is the result of multiplying a positive number by a negative number?

Back

The result of multiplying a positive number by a negative number is negative.

Front

How do you simplify the expression -7/10 - 1/5?

Back

To simplify -7/10 - 1/5, convert 1/5 to a fraction with a denominator of 10, which is -7/10 - 2/10 = -9/10.

Front

What is the result of dividing a negative number by a negative number?

Back

The result of dividing a negative number by a negative number is positive.

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; it is always non-negative.