Mastering the Box Method for Multiplying Decimals

The video tutorial introduces the box method for multiplying decimals, providing a detailed explanation and step-by-step guide. It includes example problems to demonstrate the method and offers additional practice to reinforce learning. The tutorial emphasizes the importance of understanding decimal placement and provides a recap of the method.

What method is being taught for multiplying larger numbers?

• Standard algorithm

• Box method

• Long multiplication

• Area model

Tags

CCSS.4.NBT.B.5

How do you adjust the decimal point in the product?

• Move it to the left based on the smaller number

• Always place it two spaces from the right

• Move it to the right based on the larger number

• Count the total decimal places in the factors

Tags

CCSS.6.NS.B.3

What is the first step in using the box method for decimals?

• Multiply the numbers as if they were whole

• Convert decimals to whole numbers

• Draw a box and segment it

• Count the decimal places in the original numbers

Tags

CCSS.6.NS.B.3

What was the product of 3.77 and 2.8 in the first example?

• 1.0556

• 10.0556

• 105.56

• 10.556

Tags

CCSS.6.NS.B.3

In the second example, what numbers were multiplied?

• 2.6 and 3.5

• 26 and 35

• 2.6 and 35

• 26 and 3.5

Tags

CCSS.5.NBT.B.7

How many decimal places were moved in the second example's product?

• One

• Two

• Three

• Four

Tags

CCSS.5.NBT.B.7

What is the final step after multiplying the numbers in the box method?

• Divide by the number of boxes

• Adjust the decimal point in the product

• Add the numbers inside the box

• Round the number

Tags

CCSS.4.NBT.B.5

What was the final product of 242 and 56 in the last example?

• 13,552

• 1,355.2

• 135.52

• 13.552

Tags

CCSS.6.NS.B.3

How many times was the decimal point moved in the last example?

• One

• Two

• Three

• Four

Tags

CCSS.5.NBT.A.2

What is the key step to remember when multiplying decimals using the box method?

• Multiply the numbers as whole numbers only

• Adjust the decimal point in the product based on the original numbers

• Ignore the decimal points entirely

• Always start with the largest number

Tags

CCSS.5.NBT.B.7