I love to eat but I also want to stay in shape. I use math to calculate how many calories I am eating for one day. To do this I kept a chart of all the foods I ate in one day and the calories in each food.

• toast with butter: 205
• orange juice: 170
• bowl of cereal: 180
• cheese crackers: 160
• peanut butter sandwich: 400
• celery: 95
• chocolate chip cookies: 150
• apple juice: 120
• spaghetti with sauce: 425
• milk: 120
• carrots: 80

Total: 2105

Then I calculated the calories burned for certain activities I did each day.

• sleeping 8 hours: 514
• walking 2 hours: 472
• basketball 1 hour: 429
• reading 2 hours: 143
• eating 2 hours: 154
• sitting 4 hours: 336
• computer 2 hours: 180
• TV 3 hours: 214

Total: 2442

I learned that on this day, I burned more calories than I took in eating.