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Module 5
Fractions as Numbers on
the Number Line



Throughout this Module, students will:
  • partition different models of wholes into equal parts
  • identify and count equal parts as 1 half, 1 fourth, 1 third, 1 sixth, and 1 eighth
  • compare unit fractions with fraction strips
  • use a number line to partition, place, count, and compare fractions
  • gain awareness of equivalent fractions (i.e.. 1/2, 2/4, 3/6, and 4/8 are equivalent fractions)
  • understand that whole numbers can be written as fractions
  • compare fractions with the same numerator while reasoning about size

Terminology Definition Illustration
Unit fraction fractions with numerator 1
Non-unit fraction fractions with numerators other than 1
Fractional unit half, third, fourth, etc.
Equal parts parts with equal measurements
Unit interval the interval from 0 to 1, measured by length
Equivalent fraction 2 fractions that name the same size
Copies refers to the number of unit fractions in 1 whole
Number line a diagram that represents numbers as points on a line
Equal shares pieces of a whole that are the same size
Whole 2/2, 3/3, 4/4, 6/6. 8,8
Partition divide a whole into equal parts

images sourse

Plotting fraction on number line from JD K-4 Math on Vimeo.

decomposing fractions within word problem from JD K-4 Math on Vimeo.

Whole number fractions on number line from JD K-4 Math on Vimeo.



Dr. Peter Smith, Superintendent

P.O. Box 606
DeWitt, NY 13214

Phone: (315) 445-8300

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