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Division Review
Division Review
Use these videos to review the basics of the standard algorithm for division, also known as long division. Students must know this prior skill because this unit focuses on division with 2-digit divisors.
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Lesson 1: Patterns for Dividing with Decimals
Lesson 1: Patterns for Dividing with Decimals
In this lesson we used mental math and place-value patterns to divide a decimal by a power of 10.
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Lesson 2: Estimate Decimal Quotients
Lesson 2: Estimate Decimal Quotients
In this lesson we used reasoning and strategies such as rounding and compatible numbers to estimate quotients in problems with decimals.
Helpful Videos:
Review with Whole Numbers: Estimating Quotients Using Compatible Numbers | Matthew Anderson (5:14)
Review with Whole Numbers: Estimate Quotients 6-2 | David Horan (7:52)
Lesson 3: Use Models to Divide by a 1-Digit Whole Number
Lesson 3: Use Models to Divide by a 1-Digit Whole Number
In this lesson we used models to help find quotients in problems involving decimals.
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Lesson 4: Divide by a 2-Digit Whole Number
Lesson 4: Divide by a 2-Digit Whole Number
In this lesson we used models to visualize the relationship between division and multiplication to divide decimals by a 2-digit whole number.
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Lesson 5: Divide by a Decimal
Lesson 5: Divide by a Decimal
In this lesson we used models to divide a decimal by a decimal.
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Lesson 6: Problem Solving: Reasoning
Lesson 6: Problem Solving: Reasoning
In this lesson we used reasoning to solve problems by making sense of quantities and relationships in the situation. We read a word problem, identified what the quantities mean, and explained ways to solve the problem.
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