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Number Line (Grade 2)




 


Videos and songs to help Grade 2 students learn to represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram.

Common Core: 2.MD.6

Suggested Learning Target

  • I can create a number line with whole number intervals (equal spacing).
  • I can represent whole numbers on a number line.
  • I can find sums and differences within 100 using a number line.
  • I can locate and represent points on a number line
  • I can apply knowledge of anchor points (e.g., 5, 10, 25, 50, 75) as being half-way points between numerals


Related Topics:
More Lessons for Grade 2

Common Core for Grade 2

2.MD.6 - Addition Using the Number Line
This video shows how to add using the number line. This is one helpful way to model addition problems by drawing it out and addresses the Common Core State Standards for Mathematics objective: 2.MD.6 from the "relate addition and subtraction to length" cluster.


Number Line Addition.





2nd grade Numberline Strategy for addition
Example: On Saturday, Kira and Jack counted animals in the park. They counted 23 pigeons and 37 squirrels. How many animals did they count?
Example: Kira has 46 ocaen stickers. How many more ocean stickers does Kira need to have 70 ocean stikers?


Number Line Addition Song



 

2.MD.6 - Subtraction Using the Number Line
This video shows how to add using the number line. This is one helpful way to model subtraction problems by drawing it out and addresses the Common Core State Standards for Mathematics objective: 2.MD.6 from the "relate addition and subtraction to length" cluster.


Number Line Subtraction Song.




Numberline Addition and Subtraction
Using a numberline to add and subtract.

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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