Solving Word Problems with Addition and Subtraction of Mixed Numbers using Number Lines

The video tutorial teaches how to solve word problems involving mixed numbers by using number lines. It uses Carly's gymnastics training as an example to demonstrate the process of identifying key information, creating equations, and solving them. The tutorial emphasizes understanding variables, finding common denominators, and contextualizing answers within the problem's framework.

What is the total amount of time Carly practiced on Saturday?

• 2 and 1/3 hours

• 3 hours

• 3 and 5/6 hours

• 4 hours

What is a variable in the context of solving equations?

• A type of fraction

• A constant number

• A symbol representing an unknown number

• A known value

What is the first step in creating an equation from a word problem?

• Perform calculations

• Write the answer

• Draw a model

• Read the problem carefully

How do you find a common denominator for mixed numbers?

• By dividing each part into equal sections

• By subtracting the smaller number from the larger

• By multiplying the numbers

• By adding the numbers directly

What is the equivalent of 1 and 1/2 in sixths?

• 1 and 2/6

• 1 and 3/6

• 1 and 4/6

• 1 and 5/6

What is the sum of 2 and 1/3 plus 1 and 1/2?

• 3 and 2/3

• 3 and 5/6

• 3 and 1/2

• 4

Is Carly done with her training for the day?

• No, she practiced for less than 4 hours

• Yes, she practiced for more than 4 hours

• No, she practiced for more than 5 hours

• Yes, she practiced exactly 4 hours