Miss Goble's Math Purchase Problems

The video tutorial guides students through solving a math problem involving the purchase of rulers, protractors, and calculators. The teacher explains the relationships between the quantities of these items and uses algebraic equations to find the solution. The process includes setting up equations, solving for variables, and verifying the solution. The tutorial concludes with a reflection on the problem-solving process.

What is the main objective of Miss Goble's purchase plan?

• To buy twice as many calculators as rulers

• To buy an equal number of each math tool

• To buy four times as many rulers as protractors

• To buy the same number of each item

If Miss Goble buys 16 rulers, how many protractors does she buy?

• 4

• 8

• 12

• 16

How is the number of calculators related to the number of rulers?

• Calculators are twice the number of rulers

• Calculators are half the number of rulers

• Calculators are equal to the number of rulers

• Calculators are four times the number of rulers

What variable is used to represent the number of protractors in the algebraic equation?

• C

• P

• R

• X

What is the total number of items Miss Goble plans to buy?

• 36

• 63

• 72

• 90

How many protractors does Miss Goble buy if R equals 9?

• 27

• 36

• 9

• 18

How many calculators does Miss Goble buy if R equals 9?

• 9

• 18

• 27

• 36

How many rulers does Miss Goble buy if R equals 9?

• 36

• 27

• 18

• 9

What is the purpose of using visual diagrams and models in solving the problem?

• To check the final answer

• To make the problem more complex

• To visually represent the relationships between items

• To avoid using algebraic equations

What should students do after completing the problem-solving process?

• Redo the problem

• Start a new problem

• Reflect on the process

• Ignore the reflection step