Comparative Cost and Age Problems

A Milton high school student presents a video tutorial on modern fourth-grade math techniques aligned with Common Core standards. The video covers the use of four operations with whole numbers, focusing on multiplicative comparisons. Examples include comparing ages and costs using multiplication and division. The tutorial emphasizes understanding and writing equations, using models like bar graphs to solve problems, and distinguishing between additive and multiplicative comparisons.

What is the main purpose of the video created by the Milton high school student?

• To teach advanced calculus techniques.

• To introduce college-level algebra.

• To display modern fourth-grade math material and techniques.

• To discuss historical math theories.

What is the main focus of the video created by the Milton high school student?

• Teaching advanced calculus techniques.

• Displaying modern fourth-grade math material and techniques.

• Discussing historical math theories.

• Introducing college-level algebra.

What is one of the expectations of the Common Core for this unit?

• To learn about geometry.

• To memorize multiplication tables.

• To use four operations with whole numbers.

• To solve problems using fractions.

What is one of the expectations of the Common Core for this unit?

• Solving problems using fractions.

• Using four operations with whole numbers.

• Memorizing multiplication tables.

• Learning about geometry.

In the example of Sarah and her mother, how old is Sarah's mother if Sarah is 8 years old?

• 24 years old

• 32 years old

• 16 years old

• 40 years old

What operation is used to solve the problem of Sarah's mother's age compared to Sarah's?

• Division

• Multiplication

• Subtraction

• Addition

In the example of Sarah and her mother, how old is Sarah's mother if Sarah is 8 years old?

• 40 years old

• 16 years old

• 32 years old

• 24 years old

What operation is used to solve the problem of Sarah's mother's age compared to Sarah's?

• Division

• Addition

• Subtraction

• Multiplication

How much does a pink scarf cost if it is three times the cost of a green scarf priced at $6?

• $18

• $30

• $12

• $24

If a pink scarf costs $18, how much does a green scarf cost if the pink scarf is three times more expensive?

• $6

• $3

• $9

• $12