Solving Two-Step Multiplication and Division Problems

The video tutorial covers solving a two-step multiplication and division problem from a fourth-grade math standard. It involves calculating the total hours worked by Diane over the summer and then determining her total earnings. The instructor uses strip diagrams and multiplication to solve the problem, emphasizing the use of equal groups and the commutative property. The final solution shows that Diane earned $1,296 by working 144 hours at $9 per hour.

What grade level is the concept of two-step multiplication and division problems aimed at?

• Sixth Grade

• Fifth Grade

• Fourth Grade

• Third Grade

Tags

CCSS.3.OA.D.8

What does the presence of equal groups in a problem usually indicate?

• Addition or subtraction

• Decimals

• Multiplication or division

• Fractions

Tags

CCSS.5.OA.B.3

How many hours did Diane work each week?

• 18 hours

• 9 hours

• 36 hours

• 144 hours

Tags

CCSS.3.OA.A.3

What is the purpose of using a strip diagram in solving the problem?

• To organize the data

• To calculate the total earnings

• To represent equal groups visually

• To visualize the division of hours

Tags

CCSS.3.OA.D.8

What is the first step in solving the problem presented in the video?

• Finding out the hourly wage

• Determining the total number of hours worked

• Calculating the total earnings

• Identifying the number of weeks worked

Tags

CCSS.6.NS.B.3

What is the total number of hours Diane worked over the summer?

• 72 hours

• 126 hours

• 162 hours

• 144 hours

Tags

CCSS.3.OA.D.8

How much did Diane earn per hour?

• $8

• $9

• $11

• $10

Tags

CCSS.6.RP.A.3B

What mathematical operation is used to calculate the total number of hours worked?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.3.OA.D.8

Which property of multiplication is mentioned as useful in solving the problem?

• Associative Property

• Commutative Property

• Distributive Property

• Identity Property

Tags

CCSS.3.OA.B.5

How much total money did Diane earn during the summer?

• $1440

• $1620

• $1296

• $1800

Tags

CCSS.3.OA.D.8