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Grade:
ElementarySubject:
Mathematics |

Posted Tue Nov 7 17:10:22 PST 2006 by Nina Jason ().

Quesnel Elementry, Quesnel,Canada

Materials Required: overhead or chalkboard

Activity Time: 30-45 min

Concepts Taught: Learning the operations of integers

Integers

Objective:To get students to understand integers.

Lesson:

Today we are going to learn about integers. Does anyone

have any ideas about what integers are? Those are some

great ideas.Okay. Now, please open up your books to a new page.Page:

Learning About IntegersDefintion: Integers are whole numbers plus negative numbers.

{...-3,-6,-2,-9...}

Created: To provide answers to subtraction problems:{4-6=-2}Addition: -both positive~add,sum is positve{3+8=11}

-both negative~add,sum is negative{-3+-8=-11

-signs different~more(how much?)+or more-{3+-5=-2}Subtraction: -add the opposite

{8- -4=8+ +4=12}Multiplication

& Division: -if signs are the same.....answer is positive

{3x4=12} {-3x-4=12}

{12/3=4} {12/3=4}

-if signs are different.....answer is negative

{-3x4=-12} {+3x-4=-12}

{12/-3=-4} {-12/3=4}