Multiplying Three-Digit Numbers by Two-Digit Numbers with Regrouping

Multiplying Three-Digit Numbers by Two-Digit Numbers with Regrouping

Assessment

Interactive Video

Mathematics, Science

4th Grade - University

Hard

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The video tutorial guides viewers through the process of multiplying two-digit and three-digit numbers by two-digit numbers. It emphasizes the importance of place value and regrouping to avoid common mistakes. The tutorial includes detailed examples, such as multiplying 54 by 36, 286 by 23, and 179 by 45, demonstrating each step clearly. The video also highlights common errors, particularly the need for placeholders in multiplication, ensuring accurate results.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the first multiplication problem introduced in the text?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of regrouping in multiplication as discussed in the text?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the regrouping process when multiplying 6 by 5 in the example given.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the text emphasize the importance of keeping numbers aligned with proper place values?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What mistake can occur if the zero placeholder is forgotten in the multiplication process?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the steps taken to multiply 286 by 23 as outlined in the text.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final answer when multiplying 179 by 45?

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