Mathematical Problem Solving Techniques

The video provides a walkthrough of a GED practice math test, covering various types of questions including rental cost calculations, value calculations, budget inequalities, commission earnings, tree growth data analysis, surface area and volume calculations, graph analysis, and expression translation. The instructor emphasizes strategies for solving these problems, such as using formulas, critical thinking, and recognizing key math terms.

What is the main focus of the GED practice math test introduction?

• To emphasize the importance of understanding math concepts.

• To teach specific math formulas.

• To provide a detailed history of the GED test.

• To discuss the science and social studies sections.

How can you calculate the rental cost per hour if a painter rented a steamer for 7 hours at a total cost of $28.84?

• Divide the total cost by the number of hours.

• Multiply the total cost by the number of hours.

• Subtract the number of hours from the total cost.

• Add the number of hours to the total cost.

When solving the equation 36X - 8Y^2, what should you do first if X = 3 and Y = -6?

• Divide X by Y.

• Multiply X and Y.

• Substitute the values of X and Y into the equation.

• Add X and Y together.

In a word problem, if Annie has a budget of $1325 and spends $270 on a room, how do you find the amount she can spend on lunch per person?

• Divide the budget by the room cost.

• Multiply the room cost by the number of people.

• Subtract the room cost from the budget and divide by the number of people.

• Add the room cost to the budget.

How do you calculate Dominic's total earnings if he earns $285 a week plus an 8% commission on $4213 sales?

• Add $285 to 8% of $4213.

• Subtract 8% of $4213 from $285.

• Divide $285 by 8% of $4213.

• Multiply $285 by 8% of $4213.

When plotting data on a coordinate grid, what do the X and Y values represent?

• X is the diameter, Y is the year.

• X is the year, Y is the diameter.

• X is the width, Y is the height.

• X is the height, Y is the width.

How do you calculate the surface area of a cylinder if the height is 45 inches and the diameter is 22.2 inches?

• Use the formula 2πRH + 2πR².

• Use the formula πR²H.

• Use the formula 2πR².

• Use the formula πRH.

In a graph showing ibuprofen levels, during which time period does the level increase?

• From 1 to 3 hours.

• From 2 to 4 hours.

• From 0 to less than 1 hour.

• From 0 to 2 hours.

How do you express the number of steps in the Washington Monument if it's 27 less than 26 times the steps in the Statue of Liberty?

• 26S - 27

• 26S + 27

• 27S - 26

• 27 - 26S