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Integer Instructional Integer Instructional Techniques Techniques
Integer Unit Activator The unit begins with a discussion of opposite words
Eventually leading to a discussion of positive and negative being opposites
The Touchdown Game
Using Manipulatives Rules of the road to make manipulative use
more productive.Classroom Management Rules
Let them play. Provide a designated work space to provide
focus. Zero Tolerance
Concept Development Let the children experiment and come up with
their own ideas. Keep using the models for as long as necessary
Two-Color Counters Red chips represent negative one
Yellow chips represent positive one
Zero Pair
Two-Color Counter Examples
6 + 5 =
Two-Color Counter Examples
6 + -5 =
Two-Color Counter Examples
-8 + 3 = 9 + -7 = -3 + -2 =
Two-Color Counter Examples
-6 – (-2 )=
Two-Color Counter Examples
6 – (-2 )=
Two-Color Counter Examples
-6 – (-7 )=
Two-Color Counter Examples
-8 – 3 = 9 – (-7) = -3 – (-5 )=
Drawing Pictures -3 – (-5 )=
+
- - - -+
-
+
- - - -+
-
Drawing Pictures
-3 + 5 = 6 – (-2) =-4 – 3 =
Number Lines
6 + 2 = Starting Point
Go to the right or forward
Number Lines
6 + -2 =
REVERSE IT!!!
Go to the right or forward
Starting Point
Number Lines
-3 - 5 = Go to the left or backward
Starting Point
Number Lines
-3 – (-5) = Go to the left or backward
Starting PointREVERSE IT!!!
Number Lines -3 + 5 = 3 + (-6) = 6 – (-2) =-4 – (-3) =
Largest Number Wins! Me vs. You Students work several problems just as in a worksheet…
But, they don’t complain about it!
Rules, hints…
Largest Number Wins! Part 2
Up the DifficultyNow SUBTRACT chosen number
Relevancy = Memory
Multiplication and Division3 x (- 5) = Three groups of negative five
-4 x (-3) = The opposite of 4 groups of negative three
-3 x 3 =
Multiplication and Division12 ÷ 3 = 12 chips split into
3 equal groups. The quotient is how many are in each group.
12 ÷ (-3) = 12 chips split into
3 equal groups. The quotient is the opposite of how many are in each group.
Multiplication and Division- 12 ÷ 3 = 12 red chips split
into 3 equal groups. The quotient is how many are in each group.
- 12 ÷ (-3) = 12 red chips split
into 3 equal groups. The quotient is the opposite of how many are in each group.
Contact InformationJonathan LaneyMathematics School Improvement
Specialist
(770) 583-2528 ext. [email protected]
