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Commutative Property
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If I have 3 crabs and 5 fish, what are two different ways to add them together?
3+5 and 5+3
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To make 10, what do I need to add to 3?
7
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If I have 2 lollipops and 7 jolly ranchers, what are two ways to add them together? What is my answer?
2+7, 7+2, and 9
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To make 10, what do I need to add to 9?
1
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What numbers cannot be switched in commutative property?
Doubles (like 5+5)
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To make 10, what do I need to add to 4?
6
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What is another way to add 1+9?
9+1
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What are all the ways to make the number 4?
1+3, 3+1, 2+2, 0+4, 4+0
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If I have 1 blue fish and 2 red fish, what are 2 different ways I can add them together?
1+2 and 2+1
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What are all the ways to make the number 3?
0+3, 3+0, 1+2, 2+1
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Does order of the numbers change the answer?
No
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Is commutative property for addition or subtraction?
addition
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What is commutative property?
The order of numbers does not change the answer.
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What is it called when the order does not change the answer?
Commutative Property
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To make 10, what do I need to add to 2?
8
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What is another way to add 4+6?
6+4
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