2.NBT.6 Add up to four two-digit numbers using strategies based on place value strategies and properties of operations.

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Presentation transcript:

2.NBT.6 Add up to four two-digit numbers using strategies based on place value strategies and properties of operations.

Mental Math Warm-Up Add Be prepared to share your strategy for how you solved it.

Math Strategies Which two numbers would you add first?

Math Strategies Which two numbers would you add first ?

4 two-digit addition Which two numbers would you add first?

4 two-digit addition Add

MP 3 Critique the Reasoning of Others My cousin Linda solved an addition problem. Does Linda have the correct answer? = 135