The video tutorial covers setting up and solving equations by defining variables and using let statements. It includes examples such as bank deposits, class trips, M&M distribution, road trip duration, weight loss, plant growth, and marching band participation. Each example demonstrates how to define variables, set up equations, and solve them, emphasizing the importance of understanding the problem and ensuring the equation accurately represents it.

What is the first step in solving an equation?

• Check the solution

• Define a variable

• Solve the equation

• Set up the equation

Tags

CCSS.6.EE.B.7

If Connor's new balance is $451 after depositing $84, what was his initial balance?

• $367

• $535

• $451

• $84

Tags

CCSS.6.EE.B.7

In the equation x + 84 = 451, what does x represent?

• The deposit amount

• The new balance

• The initial balance

• The total balance

Tags

CCSS.6.EE.B.7

If 252 students went on a trip and this represents three-fourths of the eighth graders, how many eighth graders are there in total?

• 336

• 252

• 168

• 84

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

In the equation 3/4x = 252, what does x represent?

• The number of students who didn't go on the trip

• The total number of eighth graders

• The number of teachers

• The number of students who went on the trip

Tags

CCSS.6.EE.B.7

If each child in a class of 7 received 23 M&Ms, how many M&Ms were there initially?

• 161

• 161

• 23

• 7

Tags

CCSS.3.OA.A.3

In the equation x/7 = 23, what does x represent?

• The number of children

• The number of M&Ms each child received

• The total number of M&Ms

• The number of teachers

Tags

CCSS.6.EE.B.7

If a car travels at 52 miles per hour, how long will it take to cover 390 miles?

• 6 hours

• 7 hours

• 8 hours

• 7.5 hours

Tags

CCSS.6.EE.B.7

If a plant is 14 inches tall and grows 3 inches per year, how many years will it take to reach 38 inches?

• 6 years

• 8 years

• 7 years

• 9 years

Tags

CCSS.7.EE.B.4A

If one-third of the students in a marching band signed up for the pep band and 5 students changed their mind, making the total 31, how many students are in the marching band?

• 96

• 93

• 36

• 31