Dividing Mixed Numbers and Fractions

Julie from Mahalo.com explains how to divide mixed numbers by first converting them into fractions. She highlights common mistakes students make and introduces the KCF (Keep, Change, Flip) method for dividing fractions. The tutorial also covers multiplying fractions and converting the result back into a mixed number. Julie concludes by offering additional resources for further learning.

What is a common mistake students make when dividing mixed numbers?

• They add the mixed numbers instead of dividing.

• They multiply the mixed numbers directly.

• They guess the answer based on whole numbers only.

• They convert mixed numbers to decimals.

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

• Multiply the whole number by the denominator and add the numerator.

• Multiply the numerator by the denominator.

• Add the whole number to the numerator.

• Subtract the numerator from the whole number.

What is the first step in the KCF method for dividing fractions?

• Change the division sign to multiplication.

• Flip the second fraction.

• Keep the first fraction as it is.

• Add the fractions together.

In the KCF method, what does the 'C' stand for?

• Combine

• Calculate

• Change

• Convert

What operation is performed after flipping the second fraction in the KCF method?

• Division

• Multiplication

• Subtraction

• Addition

When multiplying fractions, how do you find the numerator of the result?

• Add the numerators of the fractions.

• Divide the numerators of the fractions.

• Multiply the numerators of the fractions.

• Subtract the numerators of the fractions.

How do you convert an improper fraction back into a mixed number?

• Divide the numerator by the denominator and use the remainder.

• Multiply the numerator by the denominator.

• Add the numerator and the denominator.

• Subtract the denominator from the numerator.

What is the final step in dividing mixed numbers?

• Convert the result into a decimal.

• Add the fractions together.

• Subtract the fractions.

• Convert the result into a mixed number.

What is the result of multiplying 9/2 by 3/8?

• 27/16

• 9/16

• 18/16

• 27/8

How many times does 16 go into 27 when converting 27/16 into a mixed number?

• 2 times

• 0 times

• 1 time

• 3 times