# { Mathematics & Nutrition 7 th Grade: Show Me the Facts: Calculating Percentages and Caloric Intakes in Fast Food.

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{ Mathematics & Nutrition 7 th Grade: Show Me the Facts: Calculating Percentages and Caloric Intakes in Fast Food

 Calories: A unit to measure energy in foods.  Carbohydrates: Molecules in food that provide energy.  Complex Carbohydrates: Provides long-lasting energy and includes starches and fiber.  Fat: A source of energy in food. It is listed on food labels as total fat, saturated fat, and trans fats.  Total fat: sum of all types of fat in food  Saturated: solid at room temp and from animals  Trans: created by processing/cooking at high temps. Vocabulary Review

 Nutrient: A substance or ingredient that can be used for energy, growth, and building tissue.  Saturated Fat: Found in dairy, meat & poultry. Eating more than 10% of total calories may increase risk of heart disease and high blood pressure.  Sodium: (Salt) Element necessary for the maintenance of normal fluid balance. Consuming more than recommended 2,300 mg daily can increase risk of high blood pressure and kidney problems. Vocabulary Review

School & Fast Food Lunches

 Observe 4 nutrients in fast food lunches & compare with school lunch recommendations  Calories  Fat  Saturated Fat  Sodium  What do you think is suggested for your age group? Super Sleuth: Your Task

General Requirements

 How might activity, gender, and age affect these nutritional amounts?  How might it relate to obesity and chronic diseases (diabetes)?  1s-2s-3s-4s  Share one way that these may affect the amounts Round Robin Activity

 Lunches meet 33% of recommendations each day School Lunch Requirements

 Nutrition Labels for restaurants with 20+ stores  Available online, on site, from server  Rally Robin:  Name as many restaurants in 1 minute that have more than 20 locations Restaurant Requirements

Nutrition Label

Worksheet Example Number of Calories Calorie Guideline i.e. Males: 1200 2279 Decimal =.52654673 Round to hundredth =.53 Multiply by 100 to get %.53 x 100 = 53% Use same ratio format for all other amounts Total Fat Suggested Fat Grams Sat. Fat Guidelines Sat. Fat Is the number greater than 33%? If so, then it is not considered a healthy meal

 On Chrome, work in pairs:  “Science Fast Food Nutrition WebQuest”  Choose Male or Female requirements  Use calculators to determine percentages  Complete Part 2  Then Complete Part 1 Chrome Shared Drive

 Share results. Which were healthy and why?  Did you rate any meals as healthy, even if not all of the totals were below 33%? Why?  How/why did percentages change for males/females for calories and total fat?  Which was more helpful- reading the quantity or completing the percentage calculations? Why?  These meals do not include drinks/ side orders/ additional condiments. What ingredient(s) might be eliminated to make it a healthier choice? (i.e. Quarter Pound & Cheese Burger Discussion

 If you consume a meal that exceeds the recommended guidelines, how might you make informed food choices for the other meals of the day? Additional Discussion

 Complete the WebQuest online with a partner and document results. It is below your work in your Chrome document. Fast Food WebQuest

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