Subtracting Mixed Numbers from Whole Numbers

In this video, Mr. J explains how to subtract a mixed number from a whole number. The process involves regrouping the whole number into a mixed number with a fractional part that equals one whole, ensuring a common denominator. The video provides a step-by-step example of subtracting two and three-fifths from seven, resulting in four and two-fifths. The importance of simplifying the fractional part is also highlighted. The tutorial concludes with a recap of the steps involved in the subtraction process.

What is the first step in subtracting a mixed number from a whole number?

• Subtract the whole numbers first

• Convert the mixed number to an improper fraction

• Regroup the whole number into a mixed number

• Subtract the fractions first

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Why do we need to keep a common denominator in mind when regrouping?

• To make the subtraction easier

• To convert the whole number to a fraction

• To add the fractions together

• To simplify the mixed number

Tags

CCSS.4.NF.B.3A

What does six and five-fifths equal to?

• Six and one-fifth

• Seven

• Six and three-fifths

• Five and five-fifths

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do you subtract the fractions five-fifths and three-fifths?

• Add the fractions together

• Convert to improper fractions and subtract

• Subtract the numerators and keep the denominator the same

• Subtract the denominators and keep the numerator the same

Tags

CCSS.1.OA.C.6

What is the result of subtracting six minus two?

• Three

• Four

• Five

• Two

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What should you check after subtracting the fractions?

• If the whole number is correct

• If the fractions have a common denominator

• If the mixed number is improper

• If the fractional part can be simplified

What is the simplest form of two-fifths?

• One-fifth

• Two-fifths

• Four-fifths

• Three-fifths

Tags

CCSS.7.NS.A.1C

What is the final answer to the example problem 7 minus two and three-fifths?

• Four and two-fifths

• Three and two-fifths

• Five and two-fifths

• Four and one-fifth

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the purpose of regrouping the whole number into a mixed number?

• To change the value of the whole number

• To simplify the mixed number

• To convert the fraction to a whole number

• To make the subtraction process easier

Tags

CCSS.3.G.A.2

What is the equivalent of one whole in the example problem?

• Five-fifths

• Two-fifths

• Three-fifths

• One-fifth

Tags

CCSS.3.G.A.2