Mastering 2-Digit Multiplication Techniques

This video tutorial by Mr. J provides a quick review of two-digit multiplication. It includes two examples: multiplying 48 by 23 and 849 by 75. Each example is broken down into detailed steps, explaining the process of multiplying the ones and tens digits separately and then adding the partial products to get the final result. The tutorial is designed to help students, educators, and anyone needing a refresher on this math concept.

What is the first step in two-digit multiplication as explained in the video?

• Add the numbers

• Subtract the smaller number from the larger one

• Line up the numbers vertically

• Multiply the tens place first

Tags

CCSS.4.NBT.B.5

What do you do after writing the numbers vertically for multiplication?

• Start with the ones place multiplication

• Write a zero before starting the multiplication

• Multiply the ones digit of the top number by the tens digit of the bottom number

• Multiply the tens digit of the top number by the ones digit of the bottom number

Tags

CCSS.4.NBT.B.5

What is the value of the tens digit in the number 23 when multiplying?

• 3

• 200

• 20

• 2

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CCSS.5.OA.B.3

How many zeros do you place when starting the multiplication of the tens place?

• One

• Two

• None

• Three

Tags

CCSS.4.NBT.B.5

What is the carried number when multiplying 3 by 4 in the example of 48 times 23?

• 1

• 2

• 3

• 4

Tags

CCSS.4.NBT.B.5

How do you handle carrying over numbers in two-digit multiplication?

• Add it to the next multiplication step

• Write it down separately

• Subtract it from the next result

• Ignore the carry over

Tags

CCSS.5.NBT.B.5

What is the result of multiplying 48 by 23 as demonstrated?

• 1023

• 1048

• 1152

• 1104

Tags

CCSS.4.NBT.B.5

In the multiplication of 849 by 75, what is the first partial product?

• 59430

• 8457

• 4245

• 7590

Tags

CCSS.4.NBT.B.5

What is the first step when multiplying 849 by 75?

• Add the numbers

• Start with the ones place of the bottom number

• Line up the numbers horizontally

• Multiply the hundreds place first

Tags

CCSS.4.NBT.B.5

What is the final result of multiplying 849 by 75?

• 63575

• 63750

• 65730

• 64750

Tags

CCSS.5.NBT.B.5