Mastering 2-Digit by 1-Digit Multiplication

This tutorial explains how to multiply a two-digit number by a one-digit number. It begins with an example of multiplying 28 by 4, demonstrating the process of multiplying each digit and carrying over when necessary. The tutorial then provides another example with 32 times 3, highlighting the importance of understanding place value. The video concludes with a summary of the steps involved in the multiplication process.

What is the first step in solving 28 * 4?

• Subtract the digits in the tens place.

• Add the digits in the ones place.

• Multiply the digits in the ones place.

• Multiply the digits in the tens place.

Tags

CCSS.4.NBT.B.5

When multiplying 8 * 4, what do you do with the digit in the tens place of the product?

• Ignore it.

• Subtract it from the ones place.

• Carry it over to the tens place.

• Write it down directly.

Tags

CCSS.4.NBT.B.5

What is the product of 8 * 4?

• 40

• 16

• 32

• 24

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CCSS.3.OA.C.7

After carrying over the digit, what is the next step in solving 28 * 4?

• Multiply the ones place digit by the bottom number.

• Subtract the carried digit from the product.

• Add the carried digit to the product.

• Multiply the tens place digit by the bottom number.

Tags

CCSS.4.NBT.B.5

What is the final product of 28 * 4?

• 112

• 108

• 120

• 104

Tags

CCSS.4.NBT.B.5

In the second example, what is the product of 2 * 3?

• 5

• 8

• 6

• 7

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CCSS.3.OA.C.7

What is the product of 3 * 3 in the second example?

• 6

• 9

• 12

• 15

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CCSS.3.OA.A.1

What is the value of the digit 3 in the tens place of the number 32?

• 30

• 3

• 300

• 3000

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CCSS.4.NBT.A.1

What is the final product of 32 * 3?

• 100

• 92

• 96

• 98

Tags

CCSS.4.NBT.B.5

What is the importance of understanding the value of digits in multiplication?

• It ensures accurate multiplication.

• It is not important.

• It helps in subtraction.

• It helps in addition.

Tags

CCSS.4.NBT.B.5