Applying Two-Step Equations to Real World Problems

This video tutorial explains how to write and solve two-step equations from word problems. It begins with an introduction to the concept and provides a list of keywords to help translate word problems into mathematical equations. The tutorial includes six examples, each demonstrating how to identify variables, set up equations, and solve for unknowns using inverse operations. The examples cover various real-world scenarios, such as ticket purchases, baseball card collections, triangle perimeters, angle sums, wind chill calculations, and meal subscriptions.

What does the keyword 'equivalent' signify in mathematical terms?

• Division

• Multiplication

• Equality

• Subtraction

Tags

CCSS.8.EE.C.7B

What operation does the keyword 'product' imply in the context of setting up equations?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.6.EE.A.2A

What is the correct interpretation of 'decreased by' in an equation?

• Subtraction

• Multiplication

• Addition

• Division

Tags

CCSS.6.EE.B.7

How many tickets did Adam buy if he spent $240 in total?

• 9 tickets

• 10 tickets

• 8 tickets

• 11 tickets

Tags

CCSS.6.EE.B.7

What variable represents the number of baseball cards Josh's brother has?

• x/2

• 2x + 4

• 2x

• x

Tags

CCSS.6.EE.B.6

If the perimeter of an isosceles triangle is 22 units, what is the value of x?

• 7

• 9

• 10

• 8

Tags

CCSS.3.MD.D.8

What is the value of x when the sum of angles in a triangle is 180 degrees?

• 23

• 26

• 24

• 25

Tags

CCSS.8.G.A.5

What does the equation '2x + 6 = 22' represent in a geometric context?

• Circumference of a circle

• Area of a rectangle

• Perimeter of a triangle

• Volume of a cube

Tags

CCSS.7.EE.B.4A

How many hours passed if the temperature decreased from -13°F to -21°F?

• 6 hours

• 5 hours

• 3 hours

• 4 hours

Tags

CCSS.7.NS.A.1C

How many meals did Taylor purchase if she spent a total of $99?

• 10 meals

• 7 meals

• 9 meals

• 8 meals

Tags

CCSS.6.EE.B.7