Lesson 3

Addition Strategies Seminar

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

10 birthdays; 7 + 3 = 10 or 3 + 7 = 10

J. More Birth Months

In Al's class, there are three more birthdays in December than in November. There are seven birthdays in November. How many are there in December? Write a number sentence.