Multiplication Techniques and Concepts

This video tutorial focuses on teaching long multiplication through a series of examples. Starting with simple problems like 39 times 8, it gradually progresses to more complex calculations such as 759 times 438. Each example is broken down into detailed steps, demonstrating the process of carrying over numbers and adding intermediate results. The tutorial aims to reinforce understanding of long multiplication by providing multiple practice problems.

What is the first step in multiplying 39 by 8 using long multiplication?

• Multiply 8 by 3

• Write down the number 31

• Multiply 9 by 8

• Add 7 to 24

Tags

CCSS.4.NBT.B.5

When multiplying 56 by 9, what do you do after calculating 9 times 6?

• Multiply 9 by 5

• Carry over 5

• Add 5 to 45

• Write down 54

Tags

CCSS.5.NBT.B.5

In the example of 46 times 27, what is the result of adding 4 to 28?

• 34

• 32

• 36

• 30

Tags

CCSS.4.NBT.B.5

What is the purpose of writing a zero in the example of multiplying 46 by 27?

• To mark the end of a calculation

• To start a new line of multiplication

• To indicate a carry over

• To separate the tens place

Tags

CCSS.4.NBT.B.5

In the practice example of 76 times 52, what is the result of 5 times 7 plus 3?

• 38

• 37

• 36

• 35

Tags

CCSS.4.NBT.B.5

What is the final result of multiplying 76 by 52?

• 3,952

• 3,962

• 3,852

• 3,842

Tags

CCSS.4.NBT.B.5

In the challenge example, what is the first step in multiplying 759 by 438?

• Multiply 9 by 8

• Multiply 7 by 8

• Multiply 8 by 7

• Multiply 8 by 9

Tags

CCSS.4.NBT.B.5

What is the result of 3 times 9 in the example of multiplying 369 by 43?

• 25

• 29

• 27

• 23

Tags

CCSS.1.OA.A.1

In the final example, what is the result of adding 7 plus 7?

• 15

• 14

• 13

• 12

Tags

CCSS.5.NBT.B.5

What is the final answer when multiplying 759 by 438?

• 332,442

• 332,344

• 332,244

• 332,344

Tags

CCSS.5.NBT.B.5