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Strategies for adding two-digit numbers

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Lesson Plans and Worksheets for Grade 1
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More Lessons for Grade 1
Common Core For Grade 1

Eureka Math/EngageNY grade 1 module 4 lesson 18 Worksheets

New York State Common Core Math Grade 1 Module 4, Lesson 18
Eureka Math grade 1 module 4 lesson 18 Worksheets (pdf)

Worksheets, solutions, and videos to help Grade 1 students learn how to share and critique peer strategies for adding two-digit numbers.

Common Core Standards: 1.NBT.4

Topic D: Addition of Tens or Ones to a Two-Digit Number

Lesson 18 Homework

Number Talks
- post a problem
- students solve mentally
- share solution methods
- teacher records on board

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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