Solving Division of Fractions with Picture Models

This video tutorial teaches how to solve real-life problems involving the division of fractions by fractions using picture models. It reviews basic division concepts, highlights common mistakes, and provides strategies for solving word problems. Two example problems are presented: one involving a baker's sugar and another with cheerleaders sharing pizza. The lesson concludes with a summary of the key points covered.

What will you learn in this lesson?

• How to solve word problems involving division of fractions by fractions using picture models

• How to add fractions

• How to subtract fractions

• How to multiply fractions

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What does division mean in the context of fractions?

• Taking a whole amount and dividing it into equal parts

• Combining groups into a whole

• Multiplying groups together

• Subtracting parts from a whole

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

What is a common mistake when solving word problems?

• Checking the answer

• Using the correct operation

• Getting confused about what the problem is asking

• Reading the problem carefully

Tags

CCSS.1.OA.A.1

What should you do if your answer does not make sense?

• Ignore it and move on

• Ask someone else to solve it

• Rethink the problem and make necessary adjustments

• Assume it is correct

Tags

CCSS.6.RP.A.3B

How much sugar does the baker have left?

• One eighth of a pound

• One half of a pound

• One fourth of a pound

• One whole pound

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many batches of cookies can the baker make with one half pound of sugar?

• Five

• Four

• Three

• Two

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How much of the pizza was left after serving the coach?

• Three fifths

• Two fifths

• Four fifths

• One fifth

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many cheerleaders can eat if each eats 2/15 of a pizza?

• Five

• Seven

• Six

• Four

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

What is the first step in solving the cheerleaders' pizza problem?

• Eat the pizza

• Serve the coach first

• Model the dividend as four-fifths of a pizza

• Divide the pizza into 10 equal parts

Tags

CCSS.5.NF.B.3

What should you do after dividing the pizza into 15 equal parts?

• Eat the remaining pizza

• Count how many 2/15 portions can be taken out

• Divide the pizza into 20 parts

• Serve the coach again

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C