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What property is x plus 3 equals x plus 3?
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!
Can the number 12 be part of more than one fact family?
Yes, the number 12 can be part of more than one fact family. A fact family consists of a set of related addition and subtraction or multiplication and division equations involving the same numbers. For example, the numbers 12, 4, and 3 can form the addition and subtraction fact family (3 + 4 = 7, 7 - 4 = 3, etc.) and also the multiplication and division fact family (3 x 4 = 12, 12 ÷ 4 = 3, etc.). Thus, 12 can belong to multiple fact families based on different combinations of numbers.
How can you use addition to find the variable in subtracting equations?
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
What is the property of -3 plus 6 equals 6 plus -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.
What addition doubles fact can help you find 4 3?
To find the addition that doubles to equal 4 + 3, you can use the fact that 3 + 3 equals 6. Since 4 + 3 equals 7, you can think about how the addition of 4 and 3 relates to the double of a smaller number. Specifically, knowing that 3 + 3 equals 6 can help you see that you need to add one more to reach 7.
What property is x plus 3 equals x plus 3?
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!
Is x plus 3 equals 3 plus x?
Yes. According to the commutative property of addition: x + 3 = 3 + x
X plus 3 equals 3 plus x is an example of what properties?
Addition is commutative
How can you use the property of addition to find the value of x in x plus 3 equals 3 plus 7?
If: x+3 = 3+7 Then: x = 7
What is the fact family for 3 4 and 12?
3 x 4 = 12 4 x 3 = 12 12 / 3 = 4 12 / 4 = 3
How can you use addition to find the variable in subtracting equations?
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
What is the property of -3 plus 6 equals 6 plus -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.
How does knowing an addition fact help with a subtraction fact?
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.
How do you write math expression for the product of 3 and the sum of x and 12?
3(x+12), where the parentheses state that you must do the addition first.
What are the fact family of 3 6 and 18?
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
What property would this be If x plus y equals 3 then 3 equals x plus y?
Symmetric Property of Addition
What multiplication fact equals 51?
1 x 51, 3 x 17, 17 x 3, 51 x 1 = 51
