1. You rode your bike 3 miles to school. After school, you rode 5 miles to the store and then 2 miles home. How many miles did you ride today? A. 8 B. 7 C. 10 D. 5 Hint 2. An infant weighs 7 pounds at birth. Assuming that she gains 1 pound every 2 weeks, how much will she weigh in 10 weeks? A. 17 pounds B. 5 pounds C. 12 pounds D. 7 pounds Hint 3. Anna lives in San Francisco, and she has a business partner in Washington, D.C. Sometimes she flies to Washington for meetings; San Francisco and Washington, D.C., are 2438 miles apart. In August, Anna flies to Washington and back twice. What is a good estimate of the number of miles she has flown in August? A. 5000 miles B. 10000 miles C. 2500 miles D. 1000 miles Hint 4. Mrs. Harker is one of 20 teachers at Springfield Middle School. She has 21 students in her class. About how many students probably attend Springfield Middle School? A. 41 B. 400 C. 200 D. 220 Hint 5. Luis Gonzales plays baseball for the Arizona Diamondbacks. After 20 games one season, he had 11 homeruns. Predict how many homeruns he will have after 100 games. A. 22 B. 55 C. 220 D. 100 Hint