Reflection: Adjustments to Practice Integer Quotients - Section 1: Introduction


Here is another case where I think my introduction and problem solving are too long.  I think it might serve students well to given them several fact families and make the connection between the product of signs.  

I think it would be fine to allow students to calculator integer quotients on the calculator to summarize what the rules of signs are.  It might be a better use of time.

Here is another way to remember the rules of signs for multiplying and dividing integers.  You may have already seen it, but I just learned it from another teacher!

Draw a tic-tac-toe board.  Fill in plusses from the top left corner to the bottom right corner.  The remaining spaces get minuses.  If you follow these across a row or column or diagonal (forwards or backwards) you get the rules of signs.  Pretty cool.

Here is a drawing of that board.


  Skip The Reflection & Problem Solving?
  Adjustments to Practice: Skip The Reflection & Problem Solving?
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Integer Quotients

Unit 1: Rational Number Operations
Lesson 13 of 27

Objective: SWBAT use multiplication and division fact families to determine the signs of integer quotients

Big Idea: Students use their previous knowledge of signed products and fact families to discover the sign of quotients.

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Math, Number Sense and Operations, dividing integers, integer quotient, integer division, rational numbers
  50 minutes
calculator and apple
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