1st Grade Math - Khan Academy

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Place value - Ones and tens

In this activity, you will learn

  1. Intro to place value
  2. Place value example: 25
  3. Place value example: 42
  4. Practice: Group of ten objects
  5. Practice: Tens and ones
  6. Practice: 2-digit place value challenge

Source:  https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-place-value/cc-1st-ones-tens/v/place-value-introduction

1  Intro to place value

Source: https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-place-value/cc-1st-ones-tens/v/place-value-introduction

 

2  Place value example: 25

 

Source: https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-place-value/cc-1st-ones-tens/v/place-value-example

 

3  Place value example: 42

 

Source: https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-place-value/cc-1st-ones-tens/v/rep-quantity-with-digits

 

4  Practice: Group of ten objects

Visit Khan Academy to complete your practice questions

Or use this link https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-place-value/cc-1st-ones-tens/e/groups-of-tens

 

5  Practice : Tens and ones

Visit Khan Academy to complete your practice questions

Or use this link https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-place-value/cc-1st-ones-tens/e/tens-and-ones

 

6  Practice: 2-digit place value challenge

Visit Khan Academy to complete your practice questions

Or use this link https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-place-value/cc-1st-ones-tens/e/understanding-2-digit-numbers

7  Tens and Units for Kids Number 30 - 39

8  Build your skill

Visit https://www.mathgames.com/skill/1.34-count-groups-of-ten-to-20-30-120 and complete your practice

9  What did you learn from this activity ?

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