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Factors and Multiples. Grade 7 Source MMS homework book. Terms and meanings. Use your text book glossary to fill in the blanks. Be sure to use your coil note book, put title, and today’s date at the top. . glossary. A Prime number is a number with exactly _______ factors, itself and 1

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factors and multiples

Factors and Multiples

Grade 7 Source MMS homework book

terms and meanings
Terms and meanings

Use your text book glossary to fill in the blanks.

Be sure to use your coil note book, put title, and today’s date at the top.

glossary
glossary
  • A Prime number is a number with exactly _______ factors, itself and 1
  • A composite number has ____or ____ factors.
  • Common factor is a ________ that is a factor of each of the ________. For example 3 is a common factor of 15, 9, and 21.
lowest common multiple
Lowest Common Multiple
  • One way to find the LOWEST COMMON MULTIPLE of 6 and 9 is by using a century chart. Shade the multiples of 6 (count by 6) Then underline the multiples of 9. The common multiples are the ones underlined and shaded. The lowest common multiple is 18 the first shaded and underlined number.
factors multiples
Factors Multiples
  • Complete the list of factors of each number. Put your answers in your coil note book.
  • 1)a) 14
  • 1,2__,___
  • B)16
  • 1,2,___,___,___
  • C)42
  • 1,2,3,6,7,___,___,___
  • Skip count to find the missing multiples.
  • 3:
  • 3,6,9,12,__,18,___,___,___
  • 6:
  • 6,12,18,__,__,___,__
  • What is the LCM(lowest common multiple) of 3 and 6 ?
venn diagram
Venn diagram

Factors of 18

Factors of 10

Make a venn diagram such as the one about in your coil note book. List all the factors of 10 , the factors of 18 and put the factors which are common to both in overlapping part.

What is the GCF of 10 and 18 ?

GCF means greatest common factor.

if you have finished you may
If you have finished you may

Visit the web sites listed below.

http://www.mathgoodies.com/factors/

factor_tree.asp

http://www.pompuzzle.com/Snake

http://www.bbc.co.uk/skillswise/numbers/wholenumbers/whatarenumbers/multiplesandfactors/index.shtm

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