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2.NBT.6

2.NBT.6. Add up to four two-digit numbers using strategies based on place value strategies and properties of operations. Add 34 + 51 Be prepared to share your strategy for how you solved it. Mental Math Warm-Up. 36 + 22+ 12 Which two numbers would you add first?. Math Strategies.

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2.NBT.6

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

  2. Add 34 + 51 • Be prepared to share your strategy for how you solved it. Mental Math Warm-Up

  3. 36 + 22+ 12 Which two numbers would you add first? Math Strategies

  4. 56 + 12 + 9 Which two numbers would you add first ? Math Strategies

  5. 45 + 32 + 23 + 15 Which two numbers would you add first? 4 two-digit addition

  6. Add 37 23 18 14 4 two-digit addition

  7. My cousin Linda solved an addition problem. Does Linda have the correct answer? • 57 + 42 + 24 + 11 = 135 MP 3 Critique the Reasoning of Others

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