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Add & Subtract (Grade 3)

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Common Core For Grade 3



 
Videos, examples, solutions, and lessons to help Grade 3 students learn to 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.

Common Core: 3.NBT.2

Suggested Learning Target

  • I can add within 1000 by using an algorithm or strategy based on place value.
  • I can subtract within a 1000 by using an algorithm or strategy based on place value.
Adding and subtracting within 1,000 (Common Core Standard 3.NBT.2)

Adding within 1,000
How to add within 1000 by using an algorithm or strategy based on place value?



Subtracting within 1,000
How to subtract within 1000 by using an algorithm or strategy based on place value? Add and subtract within 1000
How to add and subtract using other strategies? Third Grade Mental Math
Grade 3 / Math / Number Sense
CCSS: Math.3.NBT.A.2
Lesson Objective
Use the strategies of decomposing, jumps of ten, and splitting

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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