5.N.2.1 Formative

Lisa went to soccer camp at OSU. There were 459 girls at this camp. The coaches wanted the girls to get in groups of 5. If each group needs 1 soccer ball, about how many soccer balls will be needed?

(Use greatest place value.)

• 8 soccer balls

• 9 soccer balls

• 80 soccer balls

• 100 soccer balls

There are 405 people in line for the rollercoaster. If the rollercoaster can take 19 people at a time, about how many trips will the rollercoaster have to make?

(Estimate)

• 40 trips

• 10 trips

• 20 trips

• 50 trips

Thompson Trucking has $2,300 to spend on tolls. If each toll is $12, about how many tolls can the company pay? Choose the best answer. (Estimate)

• 200 tolls

• 190 tolls

• 19 tolls

• 20 tolls

Mrs. Roberts has 4,179 books in her library. Each shelf can hold 7 books. About how many shelves will Mrs. Kelsey need for the library books? (Use compatible numbers.)

• 50 shelves

• 500 shelves

• 60 shelves

• 600 shelves

Mrs. Smith has $243 to spend on books for her classroom. If each book costs $6, about how many books can she buy? (Use compatible numbers.)

• 300 posters

• 40 posters

• 30 posters

• 400 posters