Mastering Word Problems Involving Decimals

This video tutorial teaches how to solve word problems involving decimals by identifying key words that indicate which mathematical operation to use. It covers addition, subtraction, multiplication, and division, providing examples and practice problems for each. The video emphasizes the importance of understanding the context of the problem and aligning decimals correctly during calculations. It concludes with instructions for further practice and self-assessment.

Which of the following words indicates that you need to perform addition in a word problem?

• Product

• Quotient

• Difference

• Sum

In an addition word problem, what are you typically looking to find?

• The quotient

• The difference

• The total

• The product

Which word suggests that you need to use subtraction in a word problem?

• Times

• Total

• Increase

• Left over

In a subtraction word problem, what is usually given?

• The total amount

• One of the parts

• The product

• The quotient

Which of the following words indicates multiplication in a word problem?

• Difference

• Quotient

• Groups of

• Sum

In a multiplication word problem, what are you typically looking to find?

• The quotient

• The difference

• One of the parts

• The total

Which word suggests that you need to use division in a word problem?

• Increase

• Share

• Times

• Product

In a division word problem, what is usually given?

• The product

• The difference

• One of the parts

• The total amount

Elijah has a water bottle that holds 25.35 ounces of water. He drank 12.9 ounces. How much water is left?

• 12.45 ounces

• 14.45 ounces

• 13.45 ounces

• 11.45 ounces

It rained 2.4 inches each day for 7.5 days. How much rain had fallen by the end of the week?

• 16 inches

• 17 inches

• 19 inches

• 18 inches