Classifying Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

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 the result over the original denominator.

Front

Convert 4 ⅗ to an improper fraction.

Back

4 ⅗ = 23/5.

Front

What is the process to divide a whole number by a fraction?

Back

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

Front

If Jessica has 15 oranges and 12 apples, how many pieces of fruit does she have in total?

Back

15 + 12 = 27 pieces of fruit.

Front

What fraction represents how much fruit each student gets if 27 pieces are shared among 30 students?

Back

27/30.

Front

How do you simplify the fraction 8/22?

Back

Divide both the numerator and denominator by their greatest common divisor, which is 2. So, 8/22 simplifies to 4/11.

Front

What is the decimal representation of -3.7?

Back

-3.7 is already in decimal form.

Front

Convert -3.7 to a fraction in a/b form.

Back

-3.7 = -37/10.

Front

What is the sum of 15/30 and 12/30?

Back

15/30 + 12/30 = 27/30.