Solving Story Problems with Unlike Mixed Number Fractions Using Area Models

This video tutorial teaches how to solve word problems involving the subtraction of unlike mixed number fractions using area models. It reviews the subtraction of mixed numbers using fraction bars and equivalent fractions, introduces benchmark fractions for estimation, and explains how to identify and ignore extra information in story problems. The tutorial outlines steps to solve fraction problems, including understanding the problem, devising a plan, and executing the solution. It emphasizes the importance of reviewing the solution for reasonableness and provides practical examples to illustrate these concepts.

What is the main problem Adrian is trying to solve?

• How to subtract fractions

• How to eat 5 servings of vegetables

• How to eat more fruits

• How to cook a new recipe

What is the equivalent fraction of 2 1/2?

• 1 and 1 fourths

• 2 and 1 fourths

• 3 and 1 fourths

• 2 and 2 fourths

How can benchmark fractions help in solving problems?

• By visualizing estimates for adding and subtracting

• By making calculations more complex

• By converting fractions to decimals

• By eliminating the need for calculations

What is a common mistake students make in story problems?

• Using extra information

• Ignoring the problem

• Adding instead of subtracting

• Using the wrong units

What is the first step in solving story problems?

• Understanding the problem

• Drawing a diagram

• Guessing the solution

• Calculating the answer

How do you find a common denominator for subtraction?

• By subtracting the numerators

• By multiplying the denominators

• By dividing the whole number into parts

• By adding the numerators

What is the final step in solving a story problem?

• Adding extra information

• Ignoring the problem

• Guessing the answer

• Reviewing the work