1st Grade Math - Khan Academy

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Addition and subtraction - Addition within 20

In this activity, you will learn

  1. Adding 7 + 6
  2. Adding 8 + 7
  3. Practice: Add within 20
  4. Adding 5 + 3 + 6
  5. Practice: Add 3 Numbers

Source: https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-add-subtract/cc-1st-add-20/v/adding-within-20

 

1  Adding 7 + 6
 
2  Adding 8 + 7
 
3  Practice: Add with 20

Visit Khan Academy to complete your practice questions

Or use this link https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-add-subtract/cc-1st-add-20/e/addition_2

 

4  Adding 5 + 3 + 6
 
5  Practice: Adding 3 numbers

Visit Khan Academy to complete your practice questions

Or use this link https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-add-subtract/cc-1st-add-20/e/adding-three-numbers

 

6  What did you learn from this activity ?

Did you learn something new ? Briefly explain by adding your notes.