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Solving Word Problems with Mixed Numbers: Adding/Subtracting Mixed Numbers with Unlike Denominators

5th Grade • Half Day Lesson Plan
$4
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Lesson Plan Description

Fifth Grade half day of math lesson plans containing 2 separate segments (30-60 minutes each) addressing Numbers and Operations-Fractions: solving addition and subtraction word problems with mixed numbers (5.NF.2). These lessons include: key fraction vocabulary, helpful student notes for reference, guided and independent practice of concepts, and a game to reinforce the concept of adding and subtracting mixed numbers.

  • Segment 1: students will solve addition and subtraction word problems with fractions, including cases with unlike denominators, use visual fraction models and equations to represent word problems, and use benchmark fractions and number sense to estimate mentally and assess reasonableness of answers.
  • Segment 2: students will play a game of memory involving fraction word problems. Students will solve addition and subtraction word problems with fractions, including cases with unlike denominators, use visual fraction models and equations to represent word problems, and use benchmark fractions and number sense to estimate mentally and assess reasonableness of answers.

These lessons can be taught over the span of a half day or you can use the lessons independently, broken up over several days.