Reflection: Connection to Prior Knowledge Divide and Conquer - Section 2: Task + Homework


Looking back at this lesson from last year I realize that I underestimated the amount of time that would be needed to review the operations included in this “Task + Homework” section.  This is one of the major reasons I decided to start out the year with an entire Unit reviewing operations with fractions and decimals. If you have been looking through this unit, you may have noticed some of the lessons’ reflections include new resources created this year for those review lessons.

The worksheet included in this “Task + Homework” section was given to students later in the year, during our 2nd Unit, “Integers and Rational Numbers”. The materials I include in this reflection are resources I used during our 1st Unit reviewing with positive rational numbers. I used bar models as a visualization strategy to solve the word problems. I included a worksheet with samples to show how I used the visuals to help students identify the operation needed to solve the problem. When it was time to review a problem, I used the bar models and a consistent line of questioning to help support student understanding:

  • what are we trying to find?
  • why do we draw ___ blocks in the bar model?
  • students fill in the blank: "we want to know how many __ will go into ______" 


I am convinced that spending the first month of school reviewing this prior knowledge had a positive impact on my students’ ability to master later concepts involving signed fractions. 

  Connection to Prior Knowledge: Review the Skill with Positives First
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Divide and Conquer

Unit 2: Operations with Rational Numbers
Lesson 14 of 19

Objective: SWBAT to show what they know about adding, subtracting, and multiplying rational numbers by completing Quiz #5. SWBAT divide rational numbers.

Big Idea: Students take their weekly assessment and work independently to divide rational numbers

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day 34 student work quiz 007
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