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Lesson 1: Place value

# Use place value blocks to show numbers within 1,000

Sal uses place value blocks to represent numbers within 1000. Created by Sal Khan.

## Want to join the conversation?

• So the blocks in the middle are 10?
• Yes. The first one is a hundred. and the last one is the ones. Hope this helps!
• So the big one are 100?
• Yes, a matrix with 10 rows and 10 columns. 10x10 = 100
• in 1,239 the 1 is in the one thousands place,the 2 is in the one hundred place,the three is in the tens place,and the nine is in the ones place.
• I dont think this is hard at all
• why do we need to watch these vidoes?
• 10+4+3=17
• how do i become good at it
• If you want to do anything, you need to practice.
• All of yall need to actually listen in class and maybe you'll go somewhere in life.