Writing Equations for Comparison Word Problems

The video tutorial focuses on solving comparison word problems using multiplication and division. It begins with an introduction to comparison problems, explaining how to identify differences between quantities. Two examples are provided: one comparing the soup quantities made by Sarah and Ryan, and another comparing Natasha and Manuel's soup. The tutorial demonstrates how to write multiplication and division equations to represent these comparisons. Finally, it explains why 'times as many' situations are associated with multiplication, emphasizing the concept of equal groups.

What type of word problems are being focused on in the video?

• Algebraic expressions

• Geometry problems

• Multiplication and division

• Addition and subtraction

How many times more soup did Ryan make compared to Sarah?

• Two times

• Six times

• Three times

• Four times

Tags

CCSS.4.OA.A.2

What variable represents the amount of soup Sarah made?

• S

• R

• N

• M

Tags

CCSS.6.EE.B.6

How many quarts of soup did Natasha make?

• Nine quarts

• Twelve quarts

• Six quarts

• Three quarts

Tags

CCSS.4.MD.A.2

How many times more soup did Natasha make compared to Manuel?

• Three times

• Two times

• Four times

• Five times

Tags

CCSS.4.OA.A.2

What type of equation is used to compare Natasha's and Manuel's soup amounts?

• Addition equation

• Subtraction equation

• Division equation

• Multiplication equation

Tags

CCSS.2.OA.A.1

If Natasha's soup amount is divided by four, whose soup quantity does it equate to?

• Sarah's

• Her own

• Ryan's

• Manuel's

What does 'times as many' indicate in multiplication?

• Addition of groups

• Subtraction of groups

• Division of groups

• Multiplication of equal groups

Tags

CCSS.3.OA.D.9

How many equal groups of three make up Natasha's twelve quarts of soup?

• Five groups

• Four groups

• Three groups

• Two groups

Tags

CCSS.3.OA.A.3

What mathematical operation is emphasized through the comparison of quantities in the video?

• Division

• Subtraction

• Addition

• Multiplication

Tags

CCSS.3.OA.D.8