Find here free online math videos on these fraction topics:
(Fraction videos, part 1, are on this page.) The videos are recorded in highdensity (HD) and are viewable both here as well as at my Youtube channel.
These videos are usable for students, teachers, and parents. You can use them...
The videos match the lessons in my book Math Mammoth Fractions 2 (Blue Series book), or the lessons in chapter 6 of Grade 5B (Light Blue series). In either book, you will get MANY more practice exercises, word problems, and puzzles than what are shown in the videos, and also some lessons that are not in covered in this set of videos.
119 pages (includes answers) PDF download $5.75 Printed copy $10.20 
Math Mammoth Fractions 2 worktext
A selfteaching worktext that focuses on simplication, multiplication, and division of fractions & mixed numbers, among other topics. Free sample pages (PDF) 
Practice this online: multiply fractions by whole numbers
Practice this online: multiply fractions by fractions
Practice this online: multiply mixed numbers by mixed numbers
In this video, the problems are such that the divisor is a whole number. We can solve these by thinking of equal sharing. For example, 6/8 divided by 3 can be framed as: "There is 6/8 of a pizza left, and three people share it evenly. How much does each one get?"
Now, 6/8 means six slices. So, each person gets two slices. Those slices are eighths, which means each person gets 2/8 (of the entire pizza).
After looking at those, we then divide unit fractions by a whole number. For example, we look visually at (1/2) ÷ 4. Half of a pie is divided into four further pieces. Each of these pieces is an eighth, so 1/2 divided by 4 is 1/8.
In this lesson, we solve divisions such as 2 divided by 1/4 by thinking how many times the divisor fits into the dividend. In this case, how many times does 1/4 fit into 2? Or, how many fourths are in 2 whole pies? The answer is eight.
We look at a variety of such questions, relying on visual models. Solving these types of division problems also leads us to notice that division problems seem to be related to MULTIPLICATION. And that is indeed the case: the shortcut for fraction division (not taught here) has to do with changing a division problem into a multiplication.
This video addresses the standard 5.NF.B.7: divide whole numbers by unit fractions.
See also free fraction videos, part 1: mixed numbers, equivalent fractions, adding and subtracting fractions & mixed numbers.
The videos match the lessons in my book Math Mammoth Fractions 2 (Blue Series book), or the lessons in chapter 7 of Grade 5B (Light Blue series). In either book, you will get MANY more practice exercises, word problems, and puzzles than what are shown in the videos, and also some lessons that are not in covered in this set of videos.
119 pages (includes answers) PDF download $5.75 Printed copy $10.20 
Math Mammoth Fractions 2 worktext
A selfteaching worktext that focuses on simplication, multiplication, and division of fractions & mixed numbers, among other topics. Free sample pages (PDF) 
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