March 10, 2015
Objective: SWBAT........

This week, students continue Number Worlds, Level E, Addition. Students will continue to explore using partial sums and renaming strategies as they move toward the use of the standard addition algorithm.

• Students can use the partial-sum method to add three-digit numbers.

3.NBT.2 Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

Vocabulary:

• Addition
• Double Fact
• Near Double Fact
• Nice Numbers
• Grouping
• Regrouping
• Partial Sum

Activity:  

• Warm-Up: Mental Math
• Finish SWB 42-43
• Break It Up
• SWB pg 44-45

Debrief: 

• Discuss reflection question on page 45

Homework:  Solving addition problems to 1,000:     Lesson 2 #'s 1,2,3,5,7