integers lesson
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TRANSCRIPT
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Integers
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Integers- negative and positive whole numbers, including zero.
Examples: -1, 3, 0, 4, 9, -3, 12 , 15
Vocabulary
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Vocabulary
Positive number – a number greater than zero.
0 1 2 3 4 5 6-1-2-3-4-5-6
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Vocabulary
Negative number – a number less than zero.
0 1 2 3 4 5 6-1-2-3-4-5-6
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Integer Addition Rules• If the signs are the same, add the
numbers and keep the sign the same.
8 + 4 = 12-8 + -4 = -12
-8 + -3 =
Now You Try!!
-2 + -15 = -4 + -9 =
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Integer Addition Rules• If the signs are different, subtract the
smaller number from the larger number and keep the sign of the bigger number.
7 + -9 = -2 12 + -3 = 9
Now You Try!!
7 + -4 =-3 + 9 = 5 + -11 =
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Integer Song
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Review
•Integer: Negative or positive whole number, including zero.
•Positive Whole Number: 1, 2, 3, 4,……ect.
•Negative Whole Number: -1, -2, -3, -4, … ect.
Rules: • If the signs are the same, add the numbers
and keep the sign the same. • If the signs are different, subtract the smaller
number from the larger number and keep the sign of the bigger number.
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Resources
Need more review? Try some integer games!
http://www.coolmath4kids.com/
http://www.gamequarium.com/math.htm
http://www.sheppardsoftware.com/math.htm
http://www.mathsisfun.com/
*Mathisfun.com not only has fun games and drills but it also has videos for independent study
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California State Standard:
2.3 - Solve addition, subtraction, multiplication, and division problems, including those arising in concrete situations, that use positive and negative integers and combinations of these operations.