Z. Bikeathon
The fifth-graders at Bessie Coleman School helped the second-graders raise money for the computer lab by having a Bikeathon. Their goal was 1150 laps around the school in one week. Here is their data after one week.
Classroom
Room 214
Room 215
Room 216
Number of Laps
481
278
391
- What is the closest estimate for their total laps? Explain your
choice to your neighbor.
A. 1200 B. 1000 C. 1100 - How many fewer laps did Room 215 ride than Room 214? Write a
number sentence.
Number sentence ___________________________________________ - Nicholas added the number of laps for Rooms 215 and 216 and found the sum is 669 laps. Help him add the laps for Room 214 to find the total for all fifth-grade classes. Show your work.