LESSON 4 Big Base-Ten Pieces

Big Numbers on the Newswire

1. Choose a small number from the class newswire. Draw a number line. Show how a base-ten hopper can start at 0 and move forward to the number you chose. Write a number sentence to match.
2. Show another way to move from 0 to the number you chose and write a matching number sentence.
3. Choose a large number from the class newswire number line. Show three different ways to partition this number. Record your work on a Base-Ten Pieces Recording Sheet from the Student Activity Book.
2. Jerome decided to show the number he chose using base-ten shorthand.
   
   What number did Jerome choose?

3. Choose a number from the class newswire to show using base-ten shorthand.
4. Of the numbers in Questions 1, 2, and 3, which is the largest number? How do you know?
1. Amy chose 13,098 and 500,000 from her class newswire. How far it is from 13,098 to 500,000? Show your thinking.
2. Complete the number sentences.

13,098 + = 500,000

500,000 − 13,098 =