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Multiplying Integers

Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

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Page 1: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

Multiplying Integers

Page 2: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)
Page 3: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)
Page 4: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)
Page 5: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)
Page 6: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

In summaryMultiply the absolute

values

Same signs = positive (+)(+) or (-)(-)

Different signs = negative(-)(+) or (+)(-)

Page 7: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

Video

http://my.hrw.com/content/hmof/math/common/tools/videoplayer/index.html?contentSrc=6865/6865.xml

http://my.hrw.com/content/hmof/math/common/tools/videoplayer/index.html?contentSrc=6865/6865.xml
http://my.hrw.com/content/hmof/math/common/tools/videoplayer/index.html?contentSrc=6865/6865.xml
http://my.hrw.com/content/hmof/math/common/tools/videoplayer/index.html?contentSrc=6865/6865.xml
http://my.hrw.com/content/hmof/math/common/tools/videoplayer/index.html?contentSrc=6865/6865.xml
Page 8: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

Math antics video

https://www.youtube.com/watch?v=K_tPbVPfHgk

https://www.youtube.com/watch?v=K_tPbVPfHgk
https://www.youtube.com/watch?v=K_tPbVPfHgk
https://www.youtube.com/watch?v=K_tPbVPfHgk
Page 9: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

-4 x 3

Page 10: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

-5 x -8

Page 11: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

(6)(-2)

Page 12: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

(9)(-5)

Page 13: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

(-7)(-10)

Page 14: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

(0)(-24)

Page 15: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

(-10)(-6)

Page 16: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

(-1)(-5)

Page 17: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

You play a game where you score −6 points on the first turn and on each of the next 3 turns. What is your score after those 4 turns?

Page 18: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

The outdoor temperature declines 3 degrees each hour for 5 hours.

What is the change in temperature at the end of those 5 hours?

Page 19: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

Each week for 8 weeks, you withdraw $18 out of your checking account for spending money. What was the overall change in the bank

account?

Page 20: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

Adam is scuba diving. He descends 5 feet below sea level. He descends

the same distance 4 more times. What is Adam’s final elevation?

Page 21: Multiplying Integers. In summary Multiply the absolute values Same signs = positive (+)(+) or (-)(-) Different signs = negative (-)(+) or (+)(-)

Tear out page 150. Your assignment is 1-18 on pg. 150


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