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I know that the x symbol means multiply in math. I also know that subtracting means to take away. A group is a collection of things.

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When I think of addends I think of parts

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I know that sum means the total of something. I know that times means multiply.

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I know my 10 times tables and 10 x 7 is 70. That helps

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I know that three addends means that there are going to be three parts that are added together

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I know that the commutative property means that I can add numbers in any order. Addends are numbers that are added together to find a sum and I need three of them to make the number ten. This means that I could add 4+3+1 or 1+3+4 or 3+4+1 and they will all equal 10.

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I know that the commutative property means that you can add or multiply the numbers in any order and you'll get the same sum or product.

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what 3 numbers can I add together to get 10?

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I know that addends are the parts that make up the whole. So I will have to have 3 numbers that make 10.

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I know that 9x7 is the same as nine groups of seven. It is easier for me to count by 10s (or I know 10x7), so I know that is 70. It is easier for me to do 70-7 than it is to count by 7s or 9s.

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I know that sum makes me think of addition and times makes me think of multiply. This makes me think that this is a multi-step equation because I'm seeing these words several times.

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I know that the commutative property means that the order doesn't matter. That means I can add 3+2+5 to make 10. I could also add 5+2+3 to also make 10.

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I know that sum means total and times means multiply. I also know that added means to put things together.

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I know that the commutative property means that it doesn't matter what order I add the numbers

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I know that 9x7 is the same as 9 groups of seven. I also know that 10 - 1 = 9. So, taking one group of 7 away from 10 groups would be 9 groups of 7.

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I know that 9x7 is the same as 9 groups of seven. I also know that 10 - 1 = 9. So, taking one group of 7 away from 10 groups would be 9 groups of 7.

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I know that 9 is one less than 10. So if I know that 10x7=70 then I know that 9x7 would be 10x7=10 and then take away one group of 7.

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The sum of two times a number and five added to six times the number.

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3- 5 Example             9x7 is the same as subtracting one group of 7 from 10 groups of 7. 

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3- 5 Example             9x7 is the same as subtracting one group of 7 from 10 groups of 7. 

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Use the commutative property to make 10 with three addends.