The lesson breaks down multiplying fractions by whole numbers into four steps. Each step is explained in depth, and several example problems showing how to work through each step are provided. The lesson can be used in conjunction with other lessons related to fractions.
Sample Classroom Procedure / Teacher Instruction:
- Begin by explaining to students that previously they saw multiplying a fraction by a whole number using a number line and now they are going to add to this skill by learning the mathematical way to solve these types of problems.
- While reading the content pages, reinforce vocabulary and give students additional examples of multiplying fractions by whole numbers problems in order to help them practice the new algorithm. Use the additional resources to enhance understanding.
- Introduce the notes on multiplying fractions by whole numbers. Have students practice problems with the whole number written first and then the fraction written first. Use the additional resources to enhance understanding.
- Have students practice problems and demonstrate how to make a whole number into a fraction.
- Follow Activity page with students. Have students work individually or in pairs. Each group should have a die and access to a bag or set of dominoes.
- Distribute Practice page. Check and review the students’ responses as a class.
- Distribute the Homework page. Have students work a few problems at the beginning of the next class to reinforce the algorithm.
- In closing, ask students to think about how they might multiply two fractions together that are not whole numbers.
- Allow for responses and discussion.
Common Core State Standards:
Class Sessions (45 minutes): 1 class session
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