Mastering Two-Digit Multiplication with Regrouping

The video tutorial demonstrates the process of multiplying multi-digit numbers using the regrouping method. It covers four examples: 18 multiplied by 3, 45 multiplied by 6, 186 multiplied by 4, and 593 multiplied by 6. Each example is broken down into steps, showing how to multiply the ones, tens, and hundreds, and how to regroup the results to find the final product.

What is the first step in multiplying 18 by 3?

• Multiply the tens by 3

• Regroup the tens

• Multiply the ones by 3

• Add the tens and ones

Tags

CCSS.3.OA.A.1

What do you get when you multiply 8 ones by 3?

• 30 ones

• 18 ones

• 12 ones

• 24 ones

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

After regrouping 24 ones, what do you get?

• 1 ten and 4 ones

• 4 tens and 2 ones

• 3 tens and 1 one

• 2 tens and 4 ones

Tags

CCSS.3.OA.A.1

What is the result of 18 multiplied by 3?

• 63

• 45

• 54

• 36

Tags

CCSS.4.NBT.B.5

What is the first step in multiplying 45 by 6?

• Multiply the ones by 6

• Regroup the tens

• Multiply the tens by 6

• Add the tens and ones

Tags

CCSS.4.NBT.A.1

What do you get when you multiply 5 ones by 6?

• 24 ones

• 36 ones

• 18 ones

• 30 ones

Tags

CCSS.4.NBT.B.5

What is the result of 45 multiplied by 6?

• 240

• 300

• 330

• 270

Tags

CCSS.5.NBT.B.5

What is the first step in multiplying 186 by 4?

• Multiply the ones by 4

• Add the tens and ones

• Multiply the hundreds by 4

• Multiply the tens by 4

Tags

CCSS.4.NBT.B.5

What is the result of 186 multiplied by 4?

• 768

• 744

• 732

• 756

Tags

CCSS.4.NBT.B.5

What is the result of 593 multiplied by 6?

• 3,678

• 3,588

• 3,468

• 3,558

Tags

CCSS.4.NBT.B.5