Exploring Percentages and Missing Totals

This Math Antics video tutorial explains how to solve percent problems where the total is unknown. It covers the three main types of percent problems, focusing on finding the total when given the part and the percent. The video provides step-by-step instructions using algebraic rearrangement of the percent equation and includes two practical examples: one involving marbles and another with a marching band. The tutorial emphasizes the importance of practice in mastering math skills.

What are the three main types of percent problems?

• Part, Whole, Fraction

• Part, Total, Percent

• Total, Fraction, Decimal

• Percent, Decimal, Fraction

Tags

CCSS.6.RP.A.3C

What number is always present in a percent equation?

• 10

• 50

• 100

• 1000

Which word in a problem indicates that the 'total' is missing?

• Part

• Percent

• Altogether

• None

Tags

CCSS.2.OA.C.3

In the marbles problem, what is the given percent?

• 10%

• 20%

• 40%

• 30%

How many red marbles are there in the sample problem?

• 6

• 7

• 5

• 8

Tags

CCSS.2.OA.C.4

What is the first step to find the total number of marbles?

• Divide the part by the percent

• Subtract the percent from the part

• Multiply the part by 100

• Add the part and the percent

In the marching band problem, how many flute players are there?

• 13

• 10

• 12

• 11

Tags

CCSS.1.NBT.A.1

What percent of the band members play the flute?

• 8%

• 7%

• 5%

• 6%

What is the total number of band members?

• 140

• 150

• 160

• 170

Tags

CCSS.1.NBT.A.1

What is the key to getting really good at math according to the video?

• Doing practice problems

• Reading more books

• Watching more videos

• Attending more classes

Tags

CCSS.7.NS.A.3