Lesson 1

First Names

Est. Class Sessions: 3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

If your class has 30 students, two possible partitions are 10 + 10 + 10 = 30 and 3 + 6 + 9 + 12 = 30. If your class happens to have 28 students, as in Bit A, you can include yourself in the count to change the sum.

C. Your Third-Grade Class

How many students are in your class? Write number sentences that show your total class size broken into parts.