Regrouping Techniques for 2-Digit by 1-Digit Multiplication

This video tutorial explains how to multiply a two-digit number by a one-digit number using regrouping. It provides three examples: 64 times 3, 69 times 6, and 76 times 4. Each example is broken down into steps, including multiplying the ones, regrouping, multiplying the tens, and adding regrouped tens. The video concludes with a call to action to like and subscribe for more content.

What is the first step in multiplying a two-digit number by a one-digit number using regrouping?

• Multiply the tens

• Multiply the ones

• Regroup the ones

• Add the regrouped tens

Tags

CCSS.4.NBT.B.5

In the example of 64 times 3, what do you get when you multiply the ones place?

• 6 ones

• 18 ones

• 12 ones

• 24 ones

Tags

CCSS.4.NBT.B.5

After regrouping 12 ones in the example of 64 times 3, how many tens and ones do you have?

• 2 tens and 4 ones

• 1 ten and 2 ones

• 2 tens and 2 ones

• 1 ten and 4 ones

Tags

CCSS.3.OA.C.7

In the example of 69 times 6, what is the result of multiplying the ones place?

• 54 ones

• 36 ones

• 24 ones

• 18 ones

Tags

CCSS.4.NBT.B.5

How do you regroup 54 ones in the example of 69 times 6?

• 4 tens and 5 ones

• 5 tens and 4 ones

• 6 tens and 3 ones

• 3 tens and 6 ones

Tags

CCSS.5.NBT.B.5

What is the final result of 69 times 6?

• 276

• 192

• 304

• 414

Tags

CCSS.4.NBT.B.5

In the example of 76 times 4, what do you get when you multiply the ones place?

• 16 ones

• 24 ones

• 32 ones

• 20 ones

Tags

CCSS.4.NBT.B.5

After regrouping 24 ones in the example of 76 times 4, how many tens and ones do you have?

• 3 tens and 4 ones

• 2 tens and 4 ones

• 3 tens and 6 ones

• 2 tens and 6 ones

Tags

CCSS.5.NBT.B.5

What is the result of adding the regrouped tens in the example of 76 times 4?

• 34 tens

• 32 tens

• 30 tens

• 28 tens

Tags

CCSS.5.NBT.B.5

What is the final result of 76 times 4?

• 304

• 414

• 192

• 276

Tags

CCSS.4.NBT.B.5