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The Division Algorithm: Converting Decimal Division into Whole Number Division Using Fractions




 

Video Solutions to help Grade 6 students learn how to use estimation and place value to determine the placement of the decimal point in products and to determine that the size of the product is relative to each factor.

Related Topics:
Lesson Plans and Worksheets for Grade 6

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 6

Common Core For Grade 6

New York State Common Core Math Module 2, Grade 6, Lesson 14



Lesson 14 Student Outcomes

• Students use the algorithm to divide multi-digit numbers with and without remainders. Students compare their answer to estimates to justify reasonable quotients.
• Students understand that when they “bring down” the next digit in the algorithm, they are distributing, recording, and shifting to the next place value.

Lesson 14 Concept Development

Example 1

Divide: 31,218 ÷ 132

First estimate the quotient. Then use the division algorithm to get an exact answer. Finally, compare the two to decide if the answer is reasonable.

Example 2

Divide: 974,835 ÷ 12.45

Example 3

A plane travels 3,625.26 miles in 6.9 hours. What is the plane’s unit rate?

Lesson 14 Exit Ticket

1. Lisa purchased almonds for $3.50 per pound. She spent a total of $14.70. How many pounds of almonds did she purchase?

2. Divide 125.01 ÷ 5.4. Then check your answer for reasonableness.




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