lesson #17 - dividing fractions by whole numbers

8/10/2019 Lesson #17 - Dividing Fractions by Whole Numbers

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The Number SystemDay 1

VAN SICLEN COMMUNITY MIDDLE SCHOOL

MR. E GRADE 6 MATHEMATICS

CLASS 602/603/604/605

OCTOBER 26, 2014


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www.tinyurl.com/vscmath55

TODAYS LESSON

LINK!


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Do Now5 minutes (Choose tw1) For every 2 apples Kim eats, Dana eats 5oranges. If Dana ate 30 oranges, how manyapples did Kim eat?

2)

0students in Mr. Harpers clasWhat percent are boys? What pegirls?

3) What is 10% of 300?


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Lesson OverviewWe have completed Unit 1! You will seepercent questions, ratio questions, and unitrate questions in some of the Do Nows to helpyou remember and practice them! Dontforget them!

We are going to go back to fractdivision.

Today we will practice dividing fwhole numbers by using a model


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What do fractions mean?4 minDraw a model of the fraction on your fraction card

Describe what your fraction means


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What do fractions mean?Fractions show the numerator being divided by the denominator

For example:

= 4 (8 2 = 4)

Fractions show a part (the numerator), being divided by the whole (denominator)

Remember that fractions are numbers too, and can be divided, added, subtracted

multiplied!!


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DividingFractions by

WholeNumbers

Mr. E has

pack of chocolate. He wants to share it e

college classmates. How can this question be mode

Question #1What is this question asking us to d

- This question is asking us to

___________________________________________

Question #2 - How much will each friend be given


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DividingFractions byWhole

Numbers5minutes

Mr. E has 6 friends. Looking at each of the models,an equal amount of chocolate to each person? Is th

How much would each piece represent?

1

4

3

4

2

4

1

4

2

4

3

4

1


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DividingFractions by

WholeNumbers

Each piece would represent

In other words,

o

The size of each part (

) is less than the original am

1

8

1

8

2

8

3

8

4

8

5

8

6

8

7

8

8

8


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Numbers5minutes

Imagine that you are making a strawberry cupcakes

cup of frosting that you need to share between thre

Question #1How can we write this as a division

Part #2Draw a model of two-fifths.

How can we show that we are dividing

into three

What fraction does this part represent?


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Numbers3minutes

Rewrite the following question as multiplication. M

Question #2:

3

We can rewrite this as multiplication as:

of

In this question, we need to divide

in to _______



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Numbers4minutes


Question #3:

4

We can rewrite this as multiplication as: of

In this question, we need to divide in to ______



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Numbers4minutes


Question #3:

4





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Numbers4minutes


Question #3:

4





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What did we learn?4 minutesWhen a fraction is divided by a whole number, what do you notice about it when co

the original fraction?


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Homework!Due October 28, 2Rewrite the following questions as multiplication. Model the answer. Attach a loose-le

need extra room to draw your models!

Question #1:

5

Question #2:

2

Question #3:

3

Question #4:

2

lesson #17 - dividing fractions by whole numbers

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