Estimate Sums & Differences in Three-Digit Math Fun

A bakery made 245 cookies in the morning and 378 cookies in the afternoon. How many cookies did they make in total?

• 700

• 623

• 600

• 500

There are 512 apples in a basket. If 129 apples are taken out, how many apples are left in the basket?

• 400

• 250

• 512

• 383

A library has 345 books. If they buy 256 more books, how many books will they have altogether?

• 400

• 500

• 600

• 601

A toy store had 678 toys. If they sold 234 toys, how many toys are still in the store?

• 678

• 444

• 234

• 400

A farmer has 423 chickens and buys 198 more. How many chickens does he have now?

• 400

• 620

• 500

• 621

In a classroom, there are 256 pencils. If 134 pencils are given to students, how many pencils remain?

• 122

• 100

• 150

• 200

A zoo has 512 visitors on Saturday and 289 visitors on Sunday. How many visitors did the zoo have over the weekend?

• 801

• 1000

• 289

• 512

A school has 450 students. If 175 students go on a field trip, how many students are left at school?

• 300

• 400

• 275

• 150

A gardener planted 367 flowers in the spring and 215 flowers in the summer. How many flowers did he plant in total?

• 400 flowers

• 582

• 500 flowers

• 582 flowers

A pet shop had 789 fish. If 456 fish were sold, how many fish are left in the shop?

• 456

• 789

• 333

• 222