Adding and Subtracting Mixed Numbers Explained

This video is a review of adding and subtracting mixed numbers. It covers converting mixed numbers to improper fractions and vice versa, and demonstrates two strategies: using improper fractions and the regrouping method. The video includes examples and emphasizes the importance of careful calculation to avoid mistakes.

What is the first step in converting a mixed number to an improper fraction?

• Divide the whole number by the numerator

• Subtract the numerator from the denominator

• Multiply the whole number by the denominator

• Add the numerator and the denominator

Which method involves converting everything to improper fractions right away?

• Whole number method

• Improper fraction method

• Borrowing method

• Regrouping method

Tags

CCSS.7.NS.A.1C

What is the common denominator used in the first example problem?

• 9

• 12

• 6

• 3

How many whole numbers are there in the first example problem after converting to improper fractions?

• 8

• 7

• 6

• 5

What is the final answer for the first example problem using the improper fraction method?

• 8 and 7/12

• 7 and 6/12

• 7 and 7/12

• 6 and 7/12

Tags

CCSS.7.NS.A.1C

In the regrouping method, what is the first step after finding a common denominator?

• Add the whole numbers together

• Add the fractions together

• Subtract the fractions

• Convert to improper fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the final answer for the first example problem using the regrouping method?

• 6 and 7/12

• 7 and 6/12

• 7 and 7/12

• 8 and 7/12

Tags

CCSS.7.NS.A.1C

In the final example, what common denominator is chosen before converting to improper fractions?

• 20

• 15

• 10

• 5

Tags

CCSS.7.NS.A.1C

What is the final answer for the final example problem using the improper fraction method?

• 3 and 9/10

• 4 and 8/10

• 3 and 8/10

• 4 and 9/10

Tags

CCSS.7.NS.A.1C

What should you do if you make small mistakes while solving these problems?

• Give up

• Ask for help

• Skip the problem

• Understand that it's normal and keep practicing