Subtracting 3-Digit Numbers: Estimates & Accuracy Check

A store had 482 toys. They sold 215 toys. How many toys are left? Estimate the difference first.

• 267

• 267

• 300

• 215

There are 756 apples in a basket. If 389 apples are taken out, how many apples remain? Check your subtraction by adding the difference to the smaller number.

• 366

• 400

• 367

• 368

A library had 934 books. After donating 478 books, how many books does the library have now? Estimate the number of books left.

• 500

• 400

• 600

• 456

A farmer harvested 612 pumpkins. He sold 245 pumpkins at the market. How many pumpkins does he have left? Verify your answer by checking the subtraction.

• 245

• 367

• 612

• 500

In a classroom, there are 845 pencils. If 367 pencils are given to students, how many pencils are still in the classroom? Estimate the difference before calculating.

• 500

• 400

• 600

• 478

A zoo had 1,025 visitors in the morning and 678 visitors in the afternoon. How many visitors were there in total? Check your work by adding the two groups of visitors.

• 1,200

• 1,800

• 1,500

• 1,703

A bakery made 1,200 cookies. They sold 456 cookies. How many cookies are left? Estimate how many cookies are remaining first.

• 800

• 744

• 500

• 600

A toy factory produced 789 toys. If 432 toys were shipped out, how many toys are still in the factory? Check your answer by adding the shipped toys to the remaining toys.

• 432

• 357

• 123

• 789

A school had 654 notebooks. They used 289 notebooks for the art class. How many notebooks are left? Estimate the number of notebooks remaining first.

• 400

• 250

• 365

• 500

A concert had 1,000 tickets available. If 678 tickets were sold, how many tickets are still available? Verify your answer by checking the subtraction.

• 500

• 300

• 400

• 322