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