This document contains lesson materials on converting decimal division problems into whole number division problems using fractions. It includes examples of dividing decimals, word problems involving division, and exercises for students to practice estimating quotients and interpreting remainders. The lesson teaches interpreting remainders in division problems as either leftover parts or additional parts that could be made.

1. Lesson 14
NYS COMMON CORE MATHEMATICS CURRICULUM
6•2
Lesson 14:The Division Algorithm—Converting Decimal Division
into Whole Number Division Using Fractions
Classwork
Example 1
Divide
Example 2
Divide
Lesson 14:
Date:
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The Division Algorithm—Converting Decimal Division into Whole
Number Division Using Fractions
1/6/14
S.55
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2. Lesson 14
NYS COMMON CORE MATHEMATICS CURRICULUM
6•2
Example 3
A plane travels
miles in
hours. What is the plane’s unit rate?
Exercises
Estimate the quotient first. Use the estimate to justify the reasonableness of your answer.
1.
Daryl spent
purchase?
on each pound of trail mix. He spent a total of
2.
Kareem purchased several packs of gum to place in gift baskets for
many packs of gum did he buy?
Lesson 14:
Date:
©2013CommonCore,Inc. Some rights reserved.commoncore.org
. How many pounds of trail mix did he
each. He spent a total of
. How
The Division Algorithm—Converting Decimal Division into Whole
Number Division Using Fractions
1/6/14
S.56
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Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
56

3. Lesson 14
NYS COMMON CORE MATHEMATICS CURRICULUM
3.
Jerod is making candles from beeswax. He has
ounces of beeswax. If each candle uses
beeswax, how many candles can he make? Will there be any wax left over?
4.
There are
made?
5.
6•2
In Exercises 3 and 4, how were the remainders, or extra parts, interpreted?
cups of batter in the bowl. If each cupcake uses
Lesson 14:
Date:
©2013CommonCore,Inc. Some rights reserved.commoncore.org
ounces of
cups of batter, how many cupcakes can be
The Division Algorithm—Converting Decimal Division into Whole
Number Division Using Fractions
1/6/14
S.57
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Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
57

4. Lesson 14
NYS COMMON CORE MATHEMATICS CURRICULUM
6•2
6.
7.
Lesson 14:
Date:
©2013CommonCore,Inc. Some rights reserved.commoncore.org
The Division Algorithm—Converting Decimal Division into Whole
Number Division Using Fractions
1/6/14
S.58
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Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
58

5. Lesson 14
NYS COMMON CORE MATHEMATICS CURRICULUM
6•2
Problem Set
1.
Asian purchased
lbs. of his favorite mixture of dried fruits to use in a trail mix. The total cost was
much did the fruit cost per pound?
2.
Divide:
Lesson 14:
Date:
©2013CommonCore,Inc. Some rights reserved.commoncore.org
. How
The Division Algorithm—Converting Decimal Division into Whole
Number Division Using Fractions
1/6/14
S.59
This work is licensed under a
Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
59