Mastering Multiplication of Decimals and Whole Numbers

This video tutorial covers the multiplication of decimals, including multiplying decimals by whole numbers and other decimals. It provides step-by-step examples, explains the handling of zeros in multiplication, and offers practice problems with solutions. The tutorial also includes word problems to apply decimal multiplication in real-world scenarios.

What is the essential question for this lesson?

• How do you divide fractions?

• What is the importance of place value?

• What is the best way to add decimals?

• How can estimating be helpful?

When multiplying 4 by 0.83, how many decimal places should the product have?

• None

• Three

• Two

• One

What is the product of 3.6 and 0.05?

• 0.18

• 0.180

• 3.32

• 0.36

When multiplying decimals, do you need to line up the decimal points?

• Yes

• Only for whole numbers

• No

• Sometimes

What is the product of 2 times 0.018?

• 0.0036

• 0.18

• 0.36

• 0.036

What is the product of 9 and 2.6?

• 23.4

• 2.34

• 24.3

• 23.04

What is the product of 5 and 0.25?

• 1.25

• 2.5

• 0.125

• 0.025

How many kilometers is 2.5 miles if 1 mile is approximately 1.609 kilometers?

• 3.2025 km

• 3.0225 km

• 4.0225 km

• 4.2025 km

How much change will Justin get if he buys 12 pencils for 56 cents each and pays with a $10 bill?

• $2.28

• $3.72

• $4.28

• $3.28

How many more pounds of dry cereal does Nigella need if she already used 2.2 pounds and needs 6 pounds for five batches?

• 1.8 pounds

• 3.8 pounds

• 4.8 pounds

• 2.8 pounds