Solving Proportion Word Problems

The video tutorial from Mumo Math covers solving proportion word problems. It begins with an introduction to proportions, explaining how they help find unknown values using known ones. The tutorial includes three examples: calculating fuel for a boat, determining a car's travel distance, and another boat fuel calculation. Each example demonstrates setting up proportions correctly and solving them using cross-multiplication. The video concludes with encouragement to share, like, or subscribe.

What is the key benefit of using proportions in word problems?

• They are only applicable to distance problems.

• They allow you to find unknown values using known values.

• They are always easy to solve.

• They require no mathematical calculations.

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CCSS.7.RP.A.2C

In the first example, how many miles can the boat travel on 18 gallons of gas?

• 175 miles

• 126 miles

• 442 miles

• 144 miles

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CCSS.6.RP.A.3B

What is the most important thing to remember when setting up proportions?

• Use the same numbers on both sides.

• Always put miles on top.

• Ensure the units are consistent across the proportion.

• Always put gallons on top.

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CCSS.7.RP.A.2C

How much gas is needed for the boat to travel 175 miles?

• 13 gallons

• 25 gallons

• 19 gallons

• 18 gallons

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CCSS.6.RP.A.3B

In the second example, how many miles can the car travel on 13 gallons of gas?

• 442 miles

• 175 miles

• 171 miles

• 136 miles

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CCSS.6.RP.A.3B

How far can the car travel on 4 gallons of gas?

• 126 miles

• 144 miles

• 136 miles

• 171 miles

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CCSS.6.RP.A.3B

In the third example, how many gallons are needed for the boat to travel 171 miles?

• 25 gallons

• 16 gallons

• 19 gallons

• 13 gallons

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CCSS.6.RP.A.3B

What is the cross product of 171 and 16 in the third example?

• 2736

• 3150

• 1768

• 442

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CCSS.4.NBT.B.5

What is the final step in solving a proportion word problem?

• Multiplying both sides by the same number.

• Adding the same number to both sides.

• Dividing both sides by the coefficient of the variable.

• Subtracting the same number from both sides.

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CCSS.6.EE.B.7

What should you do if you enjoyed the video?

• Dislike the video.

• Ignore it.

• Leave a negative comment.

• Share, give a thumbs up, or subscribe.

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CCSS.RI.6.7

CCSS.RI.7.7

CCSS.RL.6.7

CCSS.RL.8.7

CCSS.RL.9-10.7