Division Strategies and Estimation Techniques

The video tutorial provides practice in dividing with two-digit numbers. It begins with solving 92 divided by 23, demonstrating a step-by-step approach with no remainder. The second example involves dividing 86 by 15, resulting in a remainder. The tutorial emphasizes estimation and trial and error as key strategies in division, highlighting the importance of adjusting calculations to find the correct quotient.

What is the first step in solving a division problem with two-digit numbers?

• Subtract the numbers.

• Add the numbers.

• Estimate the quotient.

• Multiply the numbers directly.

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CCSS.4.NBT.B.6

How many times does 23 go into 92?

• 5 times

• 4 times

• 3 times

• 6 times

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CCSS.5.NBT.B.6

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What is the result of 92 divided by 23?

• 6

• 3

• 5

• 4

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CCSS.6.NS.B.2

CCSS.5.NBT.B.6

What is the first step in solving 86 divided by 15?

• Add the numbers.

• Subtract the numbers.

• Multiply the numbers.

• Estimate the quotient.

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CCSS.5.NBT.B.7

What is the estimated quotient of 86 divided by 15?

• 4

• 5

• 6

• 7

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CCSS.4.NBT.B.6

What is the remainder when 86 is divided by 15?

• 13

• 12

• 11

• 10

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CCSS.5.NBT.B.6

CCSS.6.NS.B.2

What is the quotient of 86 divided by 15?

• 6 with remainder 12

• 7 with remainder 13

• 5 with remainder 11

• 4 with remainder 10

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CCSS.5.NBT.B.6

CCSS.6.NS.B.2

What is a key strategy when dividing by two-digit numbers?

• Subtract repeatedly.

• Use estimation and trial and error.

• Always multiply first.

• Add the numbers together.

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CCSS.5.NBT.B.6

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Why is estimation important in division?

• It simplifies the process and guides the calculation.

• It is not important at all.

• It makes the problem more complex.

• It helps to find the exact answer immediately.

What should you do if your initial estimate is too high or too low?

• Give up and try another problem.

• Adjust your estimate and try again.

• Add the numbers together.

• Multiply the numbers instead.