Exploring Ratio Word Problems

This video tutorial covers solving ratio problems using cross multiplication, also known as the butterfly method. The instructor provides six examples, including converting seconds to minutes, calculating travel distances, and determining quantities in dozens. Each example is explained step-by-step, emphasizing the use of cross multiplication and division to find solutions. Students are encouraged to write down problems and solutions in their notebooks for submission.

How many seconds are there in one minute?

• 90

• 45

• 60

• 30

Tags

CCSS.4.MD.A.1

What is the first step in solving the problem using cross multiplication?

• Divide the numbers

• Multiply the numbers diagonally

• Subtract the numbers

• Add the numbers

Tags

CCSS.6.RP.A.3B

If Rahi took 32.5 seconds to solve a problem, approximately how many minutes is that?

• 0.416

• 0.5416

• 0.625

• 0.325

Tags

CCSS.6.RP.A.3D

What is the method used to solve the problems in the video?

• Addition

• Cross Multiplication

• Division

• Subtraction

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How many minutes are there in three hours?

• 150

• 210

• 120

• 180

Tags

CCSS.4.MD.A.1

If Miss Namore travels 160 miles in 180 minutes, how many miles would she travel in 70 minutes?

• 80

• 70

• 62.2

• 90

Tags

CCSS.6.RP.A.3B

How many minutes are there in two hours?

• 150

• 60

• 90

• 120

Tags

CCSS.4.MD.A.1

If Dante travels 132 miles in 120 minutes, how many miles would he travel in 50 minutes?

• 70

• 60

• 55

• 65

Tags

CCSS.6.RP.A.3B

How many donuts are there in a dozen?

• 10

• 11

• 12

• 13

Tags

CCSS.2.OA.C.3

If a shop receives 200 roses, how many dozen roses can they sell?

• 16.6

• 17

• 16

• 15

Tags

CCSS.6.RP.A.3B