Subtracting Mixed Numbers from Whole Numbers

This video tutorial demonstrates how to subtract a mixed number from a whole number using two methods: improper fractions and mixed numbers. It provides a step-by-step guide, including modeling the subtraction with fraction bars, finding common denominators, and converting between improper fractions and mixed numbers. The tutorial also explains how to perform exchanges to facilitate subtraction.

What are the two methods discussed for subtracting a mixed number from a whole number?

• Using addition and multiplication

• Using division and subtraction

• Using decimals and percentages

• Using improper fractions and mixed numbers

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

• By dividing the whole number by 2

• By adding 1 to the whole number

• By writing it with a denominator of 1

• By multiplying the whole number by 2

What is the least common denominator used in the example?

• 6

• 1

• 12

• 5

Tags

CCSS.7.NS.A.1C

What is the result of subtracting 2 and 1/6 from 5 using improper fractions?

• 3 and 1/6

• 2 and 5/6

• 2 and 1/6

• 1 and 5/6

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

• By multiplying the numerator by the denominator

• By dividing the numerator by the denominator

• By subtracting the denominator from the numerator

• By adding the numerator and denominator

Tags

CCSS.7.NS.A.1C

What is the purpose of performing an exchange in the mixed numbers method?

• To convert to decimals

• To simplify the addition

• To make the numbers larger

• To facilitate subtraction

Tags

CCSS.3.NF.A.3C

How is the number 5 represented in the mixed numbers method?

• As 2 and 4/6

• As 5 and 0/6

• As 4 and 6/6

• As 3 and 3/6

Tags

CCSS.7.NS.A.1C

What is the final result of the subtraction using mixed numbers?

• 2 and 5/6

• 3 and 1/6

• 2 and 1/6

• 1 and 5/6

Which method involves converting numbers to improper fractions?

• Using improper fractions

• Using mixed numbers

• Using percentages

• Using decimals

Tags

CCSS.7.NS.A.1C

What is the key takeaway from the video regarding subtraction methods?

• Subtraction is not possible

• Mixed numbers are more accurate

• Improper fractions are always better

• Both methods yield the same result

Tags

CCSS.7.NS.A.1C