Adding and Subtracting Mixed Numbers with Same Denominator

This video tutorial covers methods for adding and subtracting mixed numbers with the same denominator. It introduces three methods: converting to improper fractions, using pictures, and regrouping. The video also demonstrates subtraction techniques and provides tips for checking the reasonableness of answers.

What is the first method introduced for adding and subtracting mixed numbers?

• Standard Fraction Addition

• Improper Presto Change-o

• Pictures

• Regrouping

Tags

CCSS.7.NS.A.1C

In the 'Improper Presto Change-o' method, what is the first step when dealing with mixed numbers?

• Draw a picture

• Simplify the fractions

• Add the whole numbers

• Convert to improper fractions

Tags

CCSS.7.NS.A.1C

What visual aid is used in the 'Pictures' method to help understand adding mixed numbers?

• Grids

• Bar graphs

• Pie charts

• Number lines

Tags

CCSS.4.NF.B.3A

What is a key visual component of the 'Pictures' method?

• Shading parts of a whole

• All of the above

• Using different colors for different numbers

• Drawing numerical representations

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

What is the result of adding 4 and 3/4 with 2 and 3/4 using the 'Pictures' method?

• 6 and 3/4

• 7 and 1/2

• 6 and 1/2

• 7 and 1/4

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

In the 'Regrouping' method, what is added first?

• Whole numbers

• Fractional parts

• None of the above

• Improper fractions

Tags

CCSS.5.NF.A.2

CCSS.5.NF.A.1

How is the 'Regrouping' method similar to traditional addition?

• It adds fractional parts first

• It simplifies fractions first

• It adds from left to right

• It starts with the largest values

Tags

CCSS.7.NS.A.1C

What does the teacher use to verify the reasonableness of the answers?

• A calculator

• Estimation

• Ignoring the fractional part

• Comparing with a standard answer

In subtraction using the 'Regrouping' method, what is necessary if the fractional part of the minuend is smaller than the subtrahend?

• Multiplying the fractions

• None of the above

• Converting to improper fractions

• Borrowing from the whole number

Tags

CCSS.7.NS.A.1C

What final check does the teacher suggest to ensure the answer is reasonable?

• Check with a peer

• Use a different method

• Re-do the calculation

• Ignore the fractions and compare whole numbers

Tags

CCSS.7.EE.B.3