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Interactive video lesson plan for: Divide fractions by whole numbers and by fractions: even divisions

Activity overview:

Find worksheets that match this video at http://www.mathmammoth.com/fractions_2.php

I explain two situations where we can divide fractions without using the common "rule" for fraction division, but just fraction number sense and mental math.

The first is when we divide fractions by whole numbers, because we can think of pie pieces shared evenly between so many people, such as 6/10 divided by 3.

The other situation is a fraction divided by a fraction when the quotient is a whole number. You can think "How many times does the divisor 'fit' into the dividend?" For example , 4/7 divided by 2/7 gives the quotient (answer) of 2, because 2 x (2/7) is 4/7.

These ideas are also explained (along with practice problems) in my book Math Mammoth Fractions 2 at http://www.mathmammoth.com/fractions_2.php - available both as an inexpensive download ($5.75) and as a printed copy.

If you like the video, please subscribe to my channel!

Tagged under: division,fractions,Mental Calculation,divide fractions,divide fractions numbers,divide fractions examples,divide fractions fractions,quotient,dividend,5th grade,Fraction (Literature Subject),Mathematics (Field Of Study)

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