On Fridays the school
cafeteria serves pizza. Last week
327 students ordered pizza, and
this week 298 students ordered
pizza. About how many students ate pizza in both
weeks?
198 people went to the theater on Friday night, and
302 went on Saturday night.
About how many more people were at the theater on Saturday?
Bonnie's soccer team is
collecting cans to raise money for new uniforms. They
collected 356 cans this week
and 547 cans last week.
About how many cans have they collected so far?
Bob has a rubber
band collection. His goal is to collect
1,000 rubber bands. So far he has collected
498. About how many more
does he need to meet his goal?
Remember:
When you want to
estimate an answer,
round
the numbers, and then add or subtract.