Estimating Sums and Differences: Fun with Math in 4th Grade

A bakery made 245 cookies on Monday and 378 cookies on Tuesday. How many cookies did they make in total?

• 623

• 500

• 600

• 700

Sarah has 1,250 stickers. She gave 487 stickers to her friends. How many stickers does she have left?

• 800

• 763

• 650

• 900

A library has 1,500 books. If 275 books are checked out, how many books remain in the library?

• 1300

• 1225

• 1000

• 1500

Tom collected 325 baseball cards, and his friend gave him 178 more. Estimate how many baseball cards Tom has now.

• 500

• 450

• 400

• 600

A farmer has 2,450 apples. He sold 1,275 apples at the market. How many apples does he have left?

• 2,000

• 1,500

• 1,000

• 1175

In a classroom, there are 28 students. If 12 students go on a field trip, how many students are still in the classroom?

• 18

• 14

• 16

• 20

A toy store had 1,200 toys. They received a shipment of 350 new toys. How many toys do they have now?

• 1450

• 1600

• 1300

• 1550

Lisa read 145 pages of her book last week and 210 pages this week. How many pages did she read in total?

• 355

• 400

• 300

• 250

A zoo has 1,800 visitors in the morning and 1,200 visitors in the afternoon. How many visitors did the zoo have that day?

• 2500

• 1800

• 1200

• 3000

A gardener planted 125 flowers in the spring and 200 flowers in the summer. Estimate how many flowers were planted in total.

• 300

• 250

• 400

• 325