Writing Equations from Word Problems

The video tutorial covers the transition from working with expressions to solving equations. It reviews one-step equations and introduces writing two-step equations. The instructor provides examples, including calculating monthly payments for a camera, determining temperature differences, calculating work hours for earnings, and estimating travel time for a hurricane. Students are encouraged to think about math operations in word problems and practice writing equations.

What mathematical concepts were introduced before moving into equations?

• Fractions and Decimals

• Statistics and Probability

• Expressions and Distributive Property

• Geometry and Algebra

Tags

CCSS.HSA.REI.A.1

What should you do if you have trouble solving one-step equations?

• Try solving three-step equations

• Ignore the problem

• Ask for extra help

• Skip to two-step equations

Tags

CCSS.6.EE.B.7

What is the first step in writing a two-step equation from a word problem?

• Solve the equation

• Define the variable

• Write the final answer

• Guess the answer

Tags

CCSS.8.EE.C.7B

In the digital camera example, what does the variable 'm' represent?

• Number of payments

• Monthly payment amount

• Down payment amount

• Total cost of the camera

Tags

CCSS.HSF.LE.B.5

What keyword indicates where to place the equal sign in an equation?

• Sum

• Total

• Is

• Quotient

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

In the temperature example, what does the variable 'T' represent?

• Highest recorded temperature

• Lowest recorded temperature

• Temperature difference

• Average temperature

What operation does 'greater than' indicate in the temperature example?

• Division

• Addition

• Multiplication

• Subtraction

Tags

CCSS.6.EE.B.8

In the hourly wage example, what does the variable 'H' represent?

• Total hours in a week

• Number of hours worked

• Hourly rate

• Total earnings

Tags

CCSS.HSF.LE.B.5

What is the equation to find out how many hours Antonia needs to work to earn $48?

• H/6 = 48

• 48H = 6

• H + 6 = 48

• 6H = 48

Tags

CCSS.HSA.CED.A.3

In the hurricane example, what does the variable 'H' represent?

• Total distance traveled

• Speed of the hurricane

• Distance from Cuba to Key West

• Number of hours to travel