Mastering Decimal Multiplication Techniques

This video tutorial covers the process of multiplying decimals by whole numbers, aligned with standard 6ns 2.3. It begins with an introduction and setup, followed by a detailed explanation of the steps involved in the multiplication process. The tutorial includes example problems such as 2.8 x 7 and 15.33 x 6, with opportunities for students to practice on their own. A special problem, 4 x 0.012, is also solved with a helpful hint. The video concludes with a final practice problem, 12 x 0.0032, reinforcing the learned concepts.

What materials should you have ready before starting the lesson?

• Notebook, colored pencils, regular pencil, ruler

• Notebook, colored pencils, eraser, headphones

• Notebook, colored pencils, regular pencil, headphones

• Notebook, calculator, regular pencil, headphones

What is the first step in multiplying decimals by whole numbers?

• Add the numbers first

• Set up the problem and multiply as if there were no decimals

• Divide the numbers first

• Subtract the numbers first

Tags

CCSS.5.NBT.B.7

What should you do after multiplying the numbers as if there were no decimals?

• Ignore the decimal point

• Add the decimal point at the end

• Swoop the decimal out and count the spaces

• Subtract the decimal point

Tags

CCSS.5.NBT.B.7

In the example 2.8 times 7, what is the final answer?

• 19.6

• 196

• 1.96

• 0.196

Tags

CCSS.6.NS.B.3

What is the result of 15.33 times 6?

• 9.198

• 91.98

• 919.8

• 0.9198

Tags

CCSS.6.NS.B.3

When multiplying decimals, which number should be set up on top?

• The number with the least digits

• The number with the most digits

• The smaller number

• The larger number

Tags

CCSS.6.NS.B.3

What is the commutative property of multiplication?

• It states that the order of multiplication does not matter

• It states that the order of addition does not matter

• It states that the order of subtraction does not matter

• It states that the order of division does not matter

Tags

CCSS.3.OA.B.5

What is the final answer for 4 times 0.012?

• 4.8

• 0.0048

• 0.48

• 0.048

Tags

CCSS.6.NS.B.3

What is a leading zero?

• A zero that comes before the decimal point

• A zero that comes after the decimal point

• A zero that is added for formatting

• A zero that is ignored in calculations

Tags

CCSS.5.NBT.A.2

What is the final answer for 12 times 0.0032?

• 0.384

• 0.0384

• 0.00384

• 3.84

Tags

CCSS.6.NS.B.3