Chapter 2 Test

Round each number to the nearest thousand to estimate the sum or difference.

• 57,000

  +4,000

  61,000

• 50,000

  +4,300

  54,300

• 57,196

  +4,342

  61,538

• 60,000

Round each number to the nearest thousand to estimate the sum or difference.

• 437,119

  −126,809

  563,928

• 437,000

  -127,000

  310,000

• 437,000

  +127,000

  564,000

Find the sum or difference.

Find the sum or difference.

Find the sum or difference.

Find the sum or difference.

A football team has an attendance of 82,621 at its first game and 79,903 at its second game. What is the total attendance for the two games?

There have been 137,865 graduates from School A and 387,512 graduates

from School B.

How many more people have graduated from School B than School A?

Which statements describe the difference of 21,918 and 19,970?

• The difference is about 2,000.

• The difference is 2,000.

• The difference is less than 2,000.

• The difference is greater than 2,000