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Divisibility Patterns Course 1 Chapter 1 Lesson 2

Posted by: mswalsh | August 28, 2009 | 11 Comments |

Glencoe Mathematics Applcations and Concepts: Florida Edition Course 1 p.10-13; Course 2 p. 554; Pre-Algebra 4.1 p.148-152

Knowing these tricks for deciding whether a number can be divided by another number (factor) or not will help you when we do factoring and need to find the least common multiple (LCM) and greatest common factor (GCF) of two or more numbers.

Class Handouts:

Divisibility Rules Table

Another version with rules from 0 to 12 with an accompanying worksheet.
Divisibility Rules 1 -12 Plus Worksheet

Math Multiplication Table

This PowerPoint shows the divisibility rules for numbers from 1 to 10:

Can I divide this number by that number

Can I Divide This Number by That Number

This cartoon is fun to watch! It shows the rule for seeing if a number can be evenly divided by 11. Something you don’t have on your sheet!

Remember, start by subtracting the first digit from the second. It’s kind of like the rule for the 3 and the 9, only it goes – + – +

This video shows how to use all of the divisibility rules from 2 to 10! It’s really good.

Another video that shows divisibility rules 2, 3, 4, 5, 6, and 9.

This video shows a teacher explaining how to use the rules for 3 and for 9.

This video shows a teacher explaining how to use the divisibility rule for 6. I think you’ll like it:

Is a number divisible by 10?

under: Glencoe Mathematics Course 1 (R), Glencoe Mathematics Course 2 (B), Uncategorized
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Hi ms walsh haven’t sent you a comment in alng time just wanted to see how you are doing. :)

Your class is so easy and fun!I remember when Mr Babcock came in the room and you had your hands in the air with the pens and then he closed the door that was so funny!!! :) :) :)

Remember to write back okay.;)

I’m doing great. I just got back from my parents’ house. We watched an episode of Monk together with my kids. My son has become hooked on a website of games called http://www.pbskidsgo.org, so he played on that the entire time. He found about it when he was watching The Electric Company.

Remember, the key to good math scores is doing your homework always if at all possible, listening, and asking for help when you don’t get it the first time.

ok.

I went on the website http://www.buzzmath.com and it was a fun site there were quizes and much more !So it was nice and easy.:)

Hello, my name is W G, I’m Revekah’s Mom and heard R had to do an assignment on a website and told me I had to write on your blog in order to get extra credit. Thank you for allowing the parents to participate in the kids homework. (:

You are welcome. However, you need to go to the http://www.buzzmath.com website too and then answer a few questions about it in order to get the points. Just type buzzmath in the search box above the map in the left hand column and read the post. The questions you need to answer are listed there. Thanks for helping your daughter pursue her education.

Hi RP. Answer the questions in the buzzmath post in order to get your 100 points. Thanks.

Hi Ms.Walsh I finally got to read your comments.I didn’t know what you were talking about but you said type buzzmath where the map on the top left corner.So maybe later I’ll check your answer or I’ll ask you tommorro @ school in 1st peroid. Talk to you later!:)

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