Subtracting with Confidence: Estimating Differences in 4th Grade

A bakery made 1,250 cookies. They sold 678 cookies. How many cookies are left? Estimate the difference first.

• 700

• 572

• 600

• 500

A library had 3,450 books. After donating 1,275 books, how many books does the library have now? Use estimation to check your answer.

• 2450

• 3000

• 1500

• 2175

A farmer harvested 2,300 apples. He sold 1,145 apples at the market. How many apples does he have left? Estimate the difference before calculating.

• 1200

• 1300

• 1000

• 1155

In a toy store, there were 1,800 toys. If 1,235 toys were sold, how many toys remain? First, estimate the number of toys sold.

• 500

• 700

• 600

• 565

A school had 2,500 pencils. They gave away 1,125 pencils to students. How many pencils are left? Use estimation to verify your answer.

• 1375

• 1250

• 2000

• 1500

A zoo had 4,200 visitors in July. In August, 1,875 fewer visitors came. How many visitors were there in August? Estimate the difference first.

• 2500

• 3000

• 1800

• 2325

A concert venue has 5,000 seats. If 2,345 tickets were sold, how many seats are still available? Estimate the number of available seats.

• 3000

• 2655

• 2800

• 2500

A bookstore had 3,600 books. They received a shipment of 1,200 books but sold 2,450 books. How many books are in the store now? Estimate the total first.

• 4000

• 2350

• 1500

• 2800

A factory produced 8,000 toys. If 3,456 toys were defective, how many good toys were produced? Use estimation to check your work.

• 4544

• 5000

• 3000

• 6000

A sports team had 1,500 fans at a game. If 678 fans left early, how many fans stayed until the end? Estimate the number of fans who stayed.

• 1,000

• 822

• 900

• 750