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I hope this is you after going over my Mini lecture, Thank you! 

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I hope this is you after going over my Mini lecture, Thank you! 

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Answer Key, Congrats you made it to the end!!

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Answer Key, Congrats you made it to the end!!

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1. 11,205

2. 3,446

3. 10,551

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1.   1432
+9773
_________
?

2.  1112
+2334
________
?

3.   7135
+  3416
_________
?

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Lastly, we are going to learn about Lattice algorithms which makes adding easier! Here is a short video explaining how to use the Lattice method to find the sum of numbers.

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Lastly, we are going to learn about Lattice algorithms which makes adding easier! Here is a short video explaining how to use the Lattice method to find the sum of numbers.

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1. 795
2. 939
3. 464

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Catchy song huh (: Lets try solving the following problems using the Partials sums method.

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Catchy song huh (: Lets try solving the following problems using the Partials sums method.

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1.     345
+450
_____
5
90
+    700
________
?

2.   689
+250
_____
9
130
+    800
_______
?

3.   320
+144
________
4
60
+   400
______
?

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Partial sums is another easy way to find the sums of numbers! Here is a fun video explaining how to solve a problem using Partial sums algorithms.

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Partial sums is another easy way to find the sums of numbers! Here is a fun video explaining how to solve a problem using Partial sums algorithms.

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Answer key, 2 additional methods down, and two more to go! Almost done (:

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Answer key, 2 additional methods down, and two more to go! Almost done (:

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1. 21=21

2. 25=25

3. 23=23

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1. (8+9)+4=(4+8)+9

2. (10+4)+11=(11+10)+4

3. (5+12)+6=(6+5)+12

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Now that you have the idea down of what Commutative property of addition is, lets try using this equation to solve the following problems.
(a+b)+c=(c+a)+b

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Rodney & Roo! Educational Videos For Kids

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Commutative Property of Addition | Rodney and Roo

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If that property doesn't work for you, no worries! Here is another video introducing a new property similar to the first one, the Commutative property of addition. 

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If that property doesn't work for you, no worries! Here is another video introducing a new property similar to the first one, the Commutative property of addition. 

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1.  9=9
2. 10=10
3. 14=14

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Easy peasy right? Lets go ahead and try to solve the following problems using this property! 

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Easy peasy right? Lets go ahead and try to solve the following problems using this property! 

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1.  (2+3)+4=2+(3+4)

2. (5+2)+3=2+(3+5)

3. (6+7)+1=6+(7+1)

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Associative Property of Addition - MathHelp.com

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For a complete lesson on the properties of addition, go to http://www.MathHelp.com - 1000+ online math lessons featuring a personal math teacher inside every lesson!

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If this is you, here is a short video explaining how an equation for the Associative property of addition can be written, and how it is solved.

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Teacher: What do you know about the Associative property of addition?                                                                                                                                                                                      You:

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Teacher: What do you know about the Associative property of addition?                                                                                                                                                                                      You:

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My name is Guisell Garcia and I am a student at San Jacinto College. I work with Pasadena ISD as a substitute for middle school! Welcome to my mini-lecture on the 4 different kinds of easy Additional methods (: