Adding and Subtracting Decimals Mastery

This video lesson covers the topic of adding and subtracting decimals. It begins with a review of basic math vocabulary, such as sum, quotient, product, and difference. The lesson then explains what decimals are and how they are used in real-life situations, like measuring weight, height, and money. The instructor provides examples of adding and subtracting decimals, emphasizing the importance of lining up decimal points. The lesson concludes with practice problems to reinforce the concepts taught.

What is the term for the result of an addition problem?

• Product

• Quotient

• Difference

• Sum

Which term describes the result of a division problem?

• Difference

• Product

• Quotient

• Sum

What is a decimal?

• A type of operation

• A type of fraction

• A part of a number

• A whole number

Which of the following is an example of something you would use a whole number to describe?

• Money

• Height

• Number of people

• Weight

Which of the following is an example of something you would use a decimal to describe?

• Number of chairs

• Number of desks

• Weight of fruit

• Number of cars

If Paula has $12.75 and finds $3.50, how much money does she have now?

• $17.25

• $15.25

• $16.25

• $16.50

What is the result of 24.7 - 5.67?

• 20.03

• 18.03

• 21.03

• 19.03

How much fencing does Huda need if her garden's width is 12.8 feet and length is 5 feet?

• 30.6 feet

• 35.6 feet

• 45.6 feet

• 40.6 feet

If Ashley spends $6.40 and gives $7.00, how much change should she get back?

• $0.50

• $0.60

• $0.70

• $0.80

Who spends more money at Burger King, Ashley or Selena?

• Neither

• Both spend the same

• Selena

• Ashley