Mastering Word Problems: Estimating Sums in Math

A farmer has 1,245 apples and picks 678 more. How many apples does he have now? Estimate the total before calculating.

• 1,500

• 1,923

• 2,000

• 1,800

A library has 3,456 books. If 1,234 books are checked out, how many books are left in the library? Estimate how many books are remaining.

• 2222

• 3000

• 2500

• 1500

A school has 2,500 pencils. If 1,125 pencils are given to students, how many pencils are left? Estimate the number of pencils remaining.

• 1,250

• 2,000

• 1,375

• 1,500

A toy store had 4,800 toys. They sold 2,345 toys during a sale. How many toys are left? Estimate the remaining toys.

• 2450

• 2500

• 3000

• 2455

A bakery made 1,200 cookies. They sold 789 cookies in one day. How many cookies are left? Estimate how many cookies remain.

• 600

• 500

• 300

• 411

A zoo has 5,000 visitors in a month. If 1,250 visitors are children, how many adult visitors are there? Estimate the number of adult visitors.

• 3750

• 1250

• 5000

• 2500

A concert hall has 3,200 seats. If 1,450 seats are filled, how many seats are still available? Estimate the available seats.

• 1750

• 1500

• 2000

• 1800

A factory produces 2,500 toys each week. If they shipped 1,750 toys, how many toys are still in the factory? Estimate the toys left.

• 1,000 toys

• 750 toys

• 500 toys

• 2,000 toys

A city has a population of 10,000 people. If 2,500 people move away, what is the new population? Estimate the new population.

• 5000

• 7500

• 6000

• 8000

A bookstore had 6,000 books. If they received a shipment of 1,200 books and sold 2,500 books, how many books do they have now? Estimate the total number of books.

• 6,200

• 3,800

• 5,000

• 4,700