Big Ideas - Rational Unit Review

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you find the distance between two numbers on a number line?

Back

To find the distance between two numbers, subtract the smaller number from the larger number and take the absolute value of the result.

Front

What is the sum of fractions with different denominators?

Back

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

Front

How do you subtract a fraction from a whole number?

Back

To subtract a fraction from a whole number, convert the whole number to a fraction with the same denominator and then perform the subtraction.

Front

What is the process for multiplying fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together. Simplify if possible.

Front

Back

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

What is the formula for finding the new balance after withdrawals?

Back

New Balance = Original Balance - Total Withdrawals.

Front

How do you add mixed numbers?

Back

To add mixed numbers, add the whole numbers together and the fractions together, then simplify if necessary.

Front

What is the process for dividing fractions?

Back

To divide fractions, multiply by the reciprocal of the divisor (the second fraction).