Let's build a castle! Dennis and Cody have big plans, but do they have enough blocks between the two of them to accomplish their goal? A great context that requires students to add and compare mixed numbers. Encourage the use of pictures or diagrams to support answers. An excellent problem to assign following a lesson on the addition of mixed numbers. 

Concepts

addition mixed numbers, adding fractions, common denominators, fractions, mixed numbers, word problems, math applications

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Additional Tags

adding mixed numbers, like denominators, same denominators, comparing mixed numbers, mixed numbers, story problem, math

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Pros

• Problem includes a real-life situation that is relatable to students
• Allows for multiple approaches to solving a single problem
• Simple mixed numbers facilitate the development of fractional number sense

Cons

• Worksheet only includes a single story problem

Common Core

4.NF.B.3.a 4.NF.B.3.c 4.NF.B.3.d MP4 MP7