6th STAAR Review - Rational number operations

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction, where both the numerator and the denominator are integers, and the denominator is not zero.

Front

How do you add two rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then add the numerators.

Front

What is the process for multiplying two fractions?

Back

To multiply two fractions, multiply the numerators together to get the new numerator, and multiply the denominators together to get the new denominator. Simplify if possible.

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that sum over the original denominator.

Front

What is the result of subtracting a larger negative number from a smaller negative number?

Back

Subtracting a larger negative number from a smaller negative number results in a negative number that is further from zero.

Front

How do you divide a fraction by a whole number?

Back

To divide a fraction by a whole number, multiply the denominator of the fraction by the whole number.

Front

What is the product of 4/5 and 1/5?

Back

The product of 4/5 and 1/5 is 4/25.

Front

If you have 2 1/2 gallons of ice cream and eat 2/5 of it, how much is left?

Back

If you eat 2/5 of 2 1/2 gallons, you have 1 1/2 gallons left.

Front

What is the sum of -3 and -11?

Back

The sum of -3 and -11 is -14.

Front

How do you find the total cost of multiple items?

Back

To find the total cost of multiple items, multiply the cost of one item by the number of items.