Reflection: Checks for Understanding Finding Factors for Numbers 41-70 - Section 3: Student Practice


During today's student practice time, all students were able to complete the first row of the Factor Chart C and many students were able to find the factor pairs for several numbers in the second row. Through conferencing and observations, I know that this is not because of a lack of understanding, but lack of time! I am reminded that a thorough completion of a few problems is more important than a quick completion of many. After this lesson, I was so proud of my students for successfully applying both the prime factorization and u-turn methods to more complex numbers. 

Here's a Student Example of Factor Chart C.

Tomorrow, we will begin by completing the last row (61-70) of this chart together. 

  Checks for Understanding: Reflection
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Finding Factors for Numbers 41-70

Unit 6: Factors & Multiples
Lesson 3 of 11

Objective: SWBAT find the factors for the numbers, 41 - 70.

Big Idea: Students will use the prime factorization and U-Turn methods to identify the factor pairs for numbers up to 70.

  Print Lesson
Math, Number Sense and Operations, Factoring (Number Sense), prime factorization, factors, prime, composite, arrays
  115 minutes
student s prime factorization u turn
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