Understanding BMI: Concepts and Calculations

The video tutorial explains Body Mass Index (BMI), its calculation, and the significance of different BMI categories. It begins with an introduction to BMI, followed by a detailed explanation of how to convert weight and height from pounds and inches to kilograms and meters. The tutorial then demonstrates how to calculate BMI using these converted units. It also discusses the various BMI categories, such as underweight, healthy, overweight, and obese, and explains how to determine the weight needed to fall into each category based on height.

What two measurements are needed to calculate BMI?

• Weight and age

• Weight and height

• Height and age

• Height and gender

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In which units should weight and height be measured for BMI calculation?

• Ounces and feet

• Grams and centimeters

• Kilograms and meters

• Pounds and inches

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What is the conversion factor used to simplify BMI calculation in pounds and inches?

• 1000

• 703

• 0.454

• 0.0254

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CCSS.2.MD.A.2

What is the BMI formula when using pounds and inches?

• Weight in lbs / Height in inches

• Weight in lbs / (Height in inches)^2 * 703

• Weight in kg / Height in m

• Weight in kg / (Height in m)^2

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CCSS.6.RP.A.3D

What is the significance of the number 703 in BMI calculations?

• It is used to convert BMI from metric to imperial units.

• It is the conversion factor for weight.

• It is the conversion factor for height.

• It is the average BMI value.

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CCSS.6.RP.A.3D

What BMI range is considered healthy for adults?

• 0 to 18.5

• 18.5 to 25

• 25 to 30

• Above 30

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CCSS.6.RP.A.3D

What BMI value indicates obesity?

• 25 to 30

• Above 30

• 18.5 to 25

• Below 18.5

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If a person has a BMI of 21, how is their weight categorized?

• Underweight

• Healthy

• Overweight

• Obese

What weight would a person with a height of 73 inches need to reach to be considered overweight?

• 160 lbs

• 190 lbs

• 227 lbs

• 250 lbs

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How much weight would a person need to gain from 160 lbs to be considered obese at a height of 73 inches?

• 30 lbs

• 67 lbs

• 100 lbs

• 50 lbs

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CCSS.7.EE.B.4B