Q: What is a addition fact for 3 x 3?

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Addition is the same no matter what order it is in. If x is 2, then 2+3=5 and 3+2=5 are the same. They are all in the same fact family. Multiplication is the same no matter what order it is in as well. x times 3 is the same as 3 times x If x is 2, then 2*3=6 and 3*2=6 Fact families!

x-3=0 so add 3 to both sides to isolate the variable. x-3=0 +3 | +3 ________ x-3+3=o+3 _________ x=3

The property you described, where x + y = y + x, is called commutativity. In the case of addition, it is called the commutative property of addition.

1 x 33, 3 x 11

0.1 x 2 x 3= 0.6

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Addition is the same no matter what order it is in. If x is 2, then 2+3=5 and 3+2=5 are the same. They are all in the same fact family. Multiplication is the same no matter what order it is in as well. x times 3 is the same as 3 times x If x is 2, then 2*3=6 and 3*2=6 Fact families!

Yes. According to the commutative property of addition: x + 3 = 3 + x

Addition is commutative

If: x+3 = 3+7 Then: x = 7

x-3=0 so add 3 to both sides to isolate the variable. x-3=0 +3 | +3 ________ x-3+3=o+3 _________ x=3

The property you described, where x + y = y + x, is called commutativity. In the case of addition, it is called the commutative property of addition.

3(x+12), where the parentheses state that you must do the addition first.

the fact family of the numbers 3, 6, and 18 is: 3 x 6 = 18; 6 x 3 = 18; 18 ÷ 3 = 6; 18 ÷ 6 = 3

Symmetric Property of Addition

You can do the fact backwards. ex. 3+4=7 turn it around 7-4=3 I believe it is called doing the inverse operation.

Just indicate an addition "+3", attached to whatever you decide to call your "number". For example, if you call the original number "x", the number increased by 3 is "x+3".

1 x 51, 3 x 17, 17 x 3, 51 x 1 = 51