William Espedal 6thGrade Math x6052 Date: Wednesday 09/21/2011 Standards Addressed Objective Product (including ELPS) Materials Needed 6.1 (F) identify multiples of a positive We will list multiples and select the least I will investigate and calculate least Hundreds charts or computers with Sieve of common of a pair of numbers. common multiples by asking and giving Eratosthenes/hundreds chart integer and common multiples and the least common multiple of a set of information using vocabulary (3F) Investigation Worksheet positive integers. Lesson Name: LCM Action: What is the teacher What are the students doing? doing? Phase 1: Engage: Teacher shows virtual Sieve of Eratosthenes and chooses several pairs of numbers to discover common and least common Running computer and Watching and multiples. showing where multiples observing overlapping overlap multiples Phase 2: Explore: Teacher passes out 4: to pairs of students. They work together to complete first table Assigns partners, hands Works with partner and “Investigation Prime Time” sheets where the find least common multiples out sheet, gives hundreds chart to find instructions and walks least common multiples around on table. helping/observing Phase 3: Explain: Teacher explains other methods of finding LCM and why it is important using Cornell Notes Explaining methods to Listening and taking find LCM and asking notes questions to check for understanding Phase 4: Elaborate: Teacher has students complete the rest of the investigation in pairs. Gives instructions and Listening to walks around instructions and helping/observing working with partner to complete investigation Phase 5: Evaluate: Teacher gives two numbers and exit ticket is LCM. (Also review for test tomorrow) Gives 2 numbers and Finds LCM of two instructions. Reviews numbers. Takes notes content for test for review tomorrow
William Espedal 6thGrade Math x6052 Date: Wednesday 09/21/2011 Standards Addressed 6.1 (F) identify multiples of a positive integer and common multiples and the least common multiple of a set of positive integers. Objective We will list multiples and select the least common of a pair of numbers. Product (including ELPS) I will investigate and calculate least common multiples by asking and giving information using vocabulary (3F) Materials Needed Hundreds charts or computers with Sieve of Eratosthenes/hundreds chart Investigation Worksheet Lesson Name: LCM Action: What is the teacher doing? What are the students doing? Phase 1: Engage: Teacher shows virtual Sieve of Eratosthenes and chooses several pairs of numbers to discover common and least common multiples. Running computer and showing where multiples overlap Watching and observing overlapping multiples Phase 2: Explore: Teacher passes out “Investigation 4: Prime Time” sheets to pairs of students. They work together to complete first table where the find least common multiples Assigns partners, hands out sheet, gives instructions and walks around helping/observing Works with partner and hundreds chart to find least common multiples on table. Phase 3: Explain: Teacher explains other methods of finding LCM and why it is important using Cornell Notes Explaining methods to find LCM and asking questions to check for understanding Listening and taking notes Phase 4: Elaborate: Teacher has students complete the rest of the investigation in pairs. Gives instructions and walks around helping/observing Listening to instructions and working with partner to complete investigation Phase 5: Evaluate: Teacher gives two numbers and exit ticket is LCM. (Also review for test tomorrow) Gives 2 numbers and instructions. Reviews content for test tomorrow Finds LCM of two numbers. Takes notes for review
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