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The ideas in this fraction lesson are taken from the Fractions 1 ebook sold on this website. Only a few examples of each problem type are shown; you should make more problems of each kind for the student.


Measuring in inches
Free lesson plan from HomeschoolMath.net

Below you see four rulers that all measure inches.  They are NOT to scale but are bigger than usual ruler for illustrative purposes. 

What happens at each step when you go down the different rulers? 
Which of them has tick marks every 1/4 inch?
Which of them has tick marks every 1/2 inch?
What about the other two rulers, how often are the tickmarks in them?
Discuss with your teacher.
 


Example problem types

1. Find the 1/2 inch marks in this ruler and label them with

1

2

.  Then label the 1/4-inch marks
and 3/4-inch marks. Where on this ruler is the 2/4 point?  How about 1 2/4 inch point?

 
2.  Compare this ruler to the previous one.  Find again the 1/2-inch marks, and then 1/4-inch and 3/4-inch marks.  The remainin unmarked tickmarks signify eighth parts.  Label them.  Where on this ruler is the 2/8-inch point?  Where is the 6/8-inch point?  How are they labeled?

 
3.  Compare this ruler to the previous one.  Find again the 1/2-inch marks, and then 1/4-inch and 3/4-inch marks.  Then label the 1/8-inch, 3/8-inch, 5/8-inch, and 7/8-inch marks.  What parts do the unmarked marks signify?  If you still have room to write, label them too, and if not, just practice them by find them and reading the tickmark values one by one from 0 inch to 1 inch.

 
4.  Measure the following colored lines with the rulers given.  If the end of the line does not fall exactly on a tickmark, then read the mark that is CLOSEST to the end of the line.  

  ____________________________

 ____________________________

 ____________________________

_____________

  _____________

_____________

 

  _______________________________________________________

  _______________________________________________________

  _______________________________________________________

  _____________________________________________

  _____________________________________________

  _____________________________________________

 

 Why do you get different results for the same line with different rulers?

______________________________________________________________________


The ideas in this fraction lesson are taken from the Fractions 1 ebook sold on this website. Only a few examples of each problem type are shown; you should make more problems of each kind for the student.

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Math Mammoth Fractions 2 ebook
Don't just memorize fraction rules - learn fractions visually!
Download Fractions 2 self-teaching worktext.

 

 

 

 

 

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