Mastering Multiplication of 1.7 by Two-Digit Numbers

The video tutorial covers the process of multiplying two-digit numbers. It begins with an introduction to the essential steps, such as multiplying by the ones, carrying over numbers, and adding partial products. The tutorial includes two examples: calculating the total number of cans shipped by a company and determining the total money collected from a car rally. Each example is broken down step-by-step to demonstrate the multiplication process, emphasizing the importance of adding zeros when multiplying by the tens place.

What is the essential question discussed in the video?

• How do you multiply by two-digit numbers?

• How do you divide two-digit numbers?

• How do you add two-digit numbers?

• How do you subtract two-digit numbers?

Tags

CCSS.3.OA.D.8

What is the first step in multiplying two-digit numbers?

• Subtract the ones place

• Multiply the ones place

• Add a zero

• Multiply the tens place

Tags

CCSS.4.NBT.B.5

What should you do after multiplying the ones place?

• Carry any number over and add to the next product

• Add a zero

• Multiply the tens place

• Subtract the tens place

Tags

CCSS.5.NBT.B.5

What is the purpose of adding a zero in the next row?

• To represent the ones place

• To represent the tens place

• To represent the hundreds place

• To represent the thousands place

Tags

CCSS.5.NBT.B.5

What is the final step in multiplying two-digit numbers?

• Add the partial products

• Multiply the partial products

• Divide the partial products

• Subtract the partial products

Tags

CCSS.4.NBT.B.5

How many boxes of canned food did the company ship in the first example problem?

• 24

• 135

• 48

• 25

Tags

CCSS.4.NBT.B.6

What is the product of 48 and 24 in the first example problem?

• 1250

• 1200

• 1100

• 1152

Tags

CCSS.4.NBT.B.5

How many cars were in the rally in the second example problem?

• 48

• 24

• 25

• 135

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the product of 135 and 25 in the second example problem?

• 3400

• 3300

• 3500

• 3375

Tags

CCSS.5.NBT.B.5

What should you do if you have any questions after watching the video?

• Ask the teacher

• Ignore the questions

• Rewatch the video

• Skip the questions

Tags

CCSS.RI.1.1

CCSS.RI.2.1

CCSS.RI.3.1

CCSS.RL.2.1

CCSS.RL.3.1