Estimating Whole Numbers

Estimate the sum of 823 and 377 by rounding to the nearest hundred.

• 1,100

• 1,200

• 900

There are 66,183 students at the University of Central Florida. Which number is a good estimation of how many students go to UCF?

• 67,000

• 66,500

• 76,000

• 66,000

Round 5,678 to the nearest hundred.

• 5,600

• 5,700

• 5,680

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Cecilia has 876 books in her library and Alisson has 543 books in his collection. Estimate the difference in the number of books they have.

• 333

• 444

• 222

• 555

Jencarlo and Kamilla visited an apple orchard owned by Ellaina. They found out that Ellaina has 4,567 apples in her orchard. If Ellaina rounds off the number of apples to the nearest thousand, how many apples would she have?

• 4,500

• 5,000

• 5,500

• 4,000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Anthony has 789 comic books in his collection and Jencarlo gives him 321 more. Can you estimate how many comic books Anthony has now?

• 1000

• 900

• 600

• 1100

Sandor has 654 comic books in his collection and Yahir has 321 comic books in his collection. Estimate the difference in the number of comic books they have.

• 331

• 343

• 333

• 322

Julian has a farm where he grows apples. At the end of the season, he counted and found that he has 3,456 apples. If Julian rounds the number of apples to the nearest hundred for easier accounting, how many apples would he record?

• 3,600

• 3,550

• 3,400

• 3,500

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Kayley, Dayana, and Cecilia are organizing a school event. Kayley estimates that she will need 987 decorations and Dayana thinks she will need 654 decorations. How many decorations do they estimate they will need in total?

• 1700

• 1641

• 1620

• 1750

Estimate the difference of 705,987 and 86,907

• 720,000

• 619,000

• 719,000

• 620,000