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Discuss various models for integer multiplication and division. What are the advantages and disadvantages of each

method?

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Multiplication and Division of Integers MULTIPLICATION RULE 1: The product of a positive integer and a negative integer is... View the full answer

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8.1, 8.3 Multiplying and Dividing Integers Using Models
Positive Integer = A number greater than zero.
Negative Integer = A number less than zero.
Opposite Integers = Two integers with a sum of...

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Method 2A: Multiplication with Number Lines
Example A:
(+4) x (+2)
4 steps
face +
count by 2s on number line
walk forward
-2
O
8
10
Start at 0
Turn and Face (+) and Walk Forward
Answer: where you...

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Method 1B: Division with Integer Tiles
When the Signs are the SAME
When the Signs are the DIFFERENT
. ADD tiles to the bank
Remove tiles from the bank
. Answer is POSITIVE
. ZERO Pairs
Example A:
....

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5.2: Multiplication and Division of Integers
Chip Model: Using the same setup as the chip model for addition, ifa > 0, we
Multiplication of Integers:
represent a groups of b.
Definition: For...

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Example A:
(+10) = (+2)
final number on
count by 2s on number line
number line
walk forward
O
2
8
10
Start at 0
In order to walk forward from 0 to +10, you must face +
Count how many steps you...

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Special Rules for Multiplication of Integers: The following set of rules can be
taught to students who are struggling to speed up their calculations. This is
Properties of Integer Multiplication:...

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Method 1A: Multiplication with Integer Tiles
When the FIRST Number is
When the FIRST Number is
Positive (+)
Negative (-)
. ADD tiles to the bank
Remove tiles from the bank
. ZERO Pairs
Example A:...

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