Simplifying Fractions and Laps

This video tutorial explains how to solve a typical SAT math problem involving a racecar driver completing laps in a race. It covers understanding the problem, calculating the remaining laps, and simplifying the resulting fraction using both a calculator and manual methods. The tutorial emphasizes the importance of understanding the question and provides step-by-step guidance to arrive at the correct answer.

What is the total number of laps in the race mentioned in the problem?

• 25 laps

• 50 laps

• 100 laps

• 75 laps

Tags

CCSS.5.MD.B.2

How many laps has the racecar driver completed?

• 10 laps

• 12.5 laps

• 15 laps

• 20 laps

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CCSS.7.NS.A.3

What is the first step in solving the problem about the racecar driver?

• Calculate the total distance of the race

• Find the speed of the racecar

• Identify the fractional part of the race completed

• Understand the question and what it asks for

Tags

CCSS.7.EE.B.3

How many laps remain after the driver has completed 12.5 laps?

• 25 laps

• 30 laps

• 37.5 laps

• 40 laps

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the fractional part of the race that remains?

• 1/4

• 1/2

• 2/3

• 3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Why is the initial fraction not a valid answer choice?

• It is not a fraction

• It is not in simplest form

• It is a negative number

• It is greater than 1

What tool can be used to simplify the fraction on the SAT?

• A ruler

• A protractor

• A compass

• A calculator

What is the greatest common factor of 375 and 500?

• 125

• 50

• 25

• 100

What is the simplified fraction of 375/500?

• 4/5

• 2/3

• 3/4

• 1/2

What is the final step in manually simplifying the fraction?

• Add the numerator and denominator

• Multiply the fraction by 10

• Divide by the greatest common factor

• Subtract the numerator from the denominator