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### Course: Class 6 (Foundation)>Unit 6

Lesson 2: Patterns 2

# Patterns in hundreds chart

Sal explores patterns with the numbers in a hundreds chart.

## Want to join the conversation?

• is there a way to make him talk faster? He talks too slow for me.
• You can adjust the playback speed by clicking the gear icon in the bottom right of the video to adjust the settings. Hope this helps!
• what does this chart help with exactly? I am pretty confused on this.
• It helps you understand that all numbers are relational to each other. And that every 10 numbers are similar to the next 10!
• how do we find out if we are correct or not while doin g hundreds chart how to verify?
• If it is in a question, then you could answer the question and then see if you are right or wrong!

Hope this helps!
(1 vote)
• I still don't know
(1 vote)
• how much parterns can you find i've found 22
(1 vote)
• is the 9's pattern useful in any way?
Btw, the multiplication trick for `*9` is doing `*10 - *1`. This gives rise to the `9`s pattern, where going up results in incrementing the tens digit and decrementing the ones digit (ignoring carrying).