Lesson Plans SET A for Grades 5-6-PDF Lesson 5- Level 5-6- Factors and multiples- Teacher File

PDF Lesson 5- Level 5-6- Factors and multiples- Teacher File

Pdf Summary

The Math Kangaroo Level 5-6 lesson on Multiples, Factors, and Divisibility focuses on key mathematical concepts and problem-solving strategies. The lesson plan is structured as follows: a 5-minute warm-up on factors, a 15-minute instruction covering key ideas, followed by 30 minutes dedicated to problem-solving (problems #1-7), and a 10-minute wrap-up session for review and Genius Hour. <br /><br />Key mathematical concepts are clarified, such as factors being numbers that divide evenly into a product, and prime numbers which have only themselves and 1 as factors. Prime factorization and the utility of factor trees are discussed, illustrated by the example of breaking down 18 into its prime factors: 2 and 3. Concepts of divisibility, reliant on handy shortcuts, form another major part of the lesson. Rules for recognizing divisibility by numbers 2 through 10 are highlighted, facilitating easier identification of factors.<br /><br />The educational material includes diverse problem-solving activities, such as identifying factors of a number, calculating the least common multiple (LCM), and logical puzzles. For instance, one problem tasks students to determine how often different students, each attending a computer lab at varying intervals, will coincide their visits. Such problems emphasize the need for understanding LCM.<br /><br />A particular analysis of how many numbers are underlined twice from a list underlines patterns developed from the least common multiples. This level of engagement helps to reinforce application of mathematical principles in practical and combinatorial contexts.<br /><br />An optional homework review with the Math Kangaroo exam from 2017 suggests an emphasis on applying the learned strategies to familiarize students with competition-level questions. The lesson highlights the interconnectedness of multiples, factors, and divisibility in problem-solving within a logical framework.

Keywords

Math Kangaroo

Multiples

Factors

Divisibility

Prime Factorization

Factor Trees

Least Common Multiple

Problem-solving

Divisibility Rules

Mathematical Concepts