Dividing Positive and Negative Decimals in Word Problems

The video tutorial covers solving word problems involving division with decimals. It includes three examples: calculating the time for a temperature to drop a certain number of degrees, determining how long it takes for a stock to lose a specific value, and finding out the time required to fill a bucket with water. Each problem is solved by defining variables, setting up division equations, and performing calculations to find the solution.

What is the first step in solving a word problem involving division of decimals?

• Subtract the numbers

• Add the numbers

• Define the variable

• Multiply the numbers

Tags

CCSS.6.NS.B.3

If the temperature drops at a rate of 0.7 degrees per hour, how many hours will it take to drop 15.4 degrees?

• 20 hours

• 22 hours

• 24 hours

• 26 hours

Tags

CCSS.7.EE.B.3

What is the result of dividing a negative number by another negative number?

• Undefined

• Positive

• Zero

• Negative

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

How do you handle division when the divisor is a decimal?

• Divide both numbers by 10

• Subtract 10 from both numbers

• Multiply both numbers by 10

• Add 10 to both numbers

Tags

CCSS.5.NBT.B.7

If a stock loses value at a rate of 8 cents per minute, how many minutes will it take to lose $1.92?

• 20 minutes

• 22 minutes

• 24 minutes

• 26 minutes

Tags

CCSS.6.RP.A.3B

What is the first step in solving the stock value loss problem?

• Add the numbers

• Subtract the numbers

• Multiply the numbers

• Define the variable

Tags

CCSS.HSA.CED.A.2

How do you convert 0.08 to a whole number for division?

• Move the decimal two places to the right

• Move the decimal one place to the left

• Subtract 10 from the number

• Add 10 to the number

Tags

CCSS.5.NBT.B.7

If a bucket fills with water at a rate of 2.5 cm per minute, how many minutes will it take to fill up to 27.5 cm?

• 13 minutes

• 12 minutes

• 11 minutes

• 10 minutes

Tags

CCSS.6.NS.B.3

What is the first step in solving the bucket filling problem?

• Subtract the numbers

• Add the numbers

• Multiply the numbers

• Define the variable

Tags

CCSS.1.OA.D.8

How do you handle division when the divisor is 2.5?

• Add 10 to the number

• Subtract 10 from the number

• Move the decimal one place to the right

• Move the decimal two places to the left

Tags

CCSS.5.NBT.B.7