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Explain how you know to use a variable in an addition or subtraction expression?
that we can use it
How would you explain the childrens what is negative 3 plus5?
Explain that the negative(-3) can be moved and become a subtraction sign. -3+5=5-3
Explain why mixing color of light is called color addition but mixing pigmean is called color subtraction?
Because it is.
The answer we get after subtraction is called?
The answer we get after subtraction is called
Who invented subtraction?
who invented subtraction?
Algorithm for subtraction of two numbers?
read the value A,b store the result of subtraction of a,b in continer subtraction display subtraction
Explain what borrow trade regroup mean in subtraction?
it means to take away and borrow means to take away and regroup means to rearrang(make problem
The answer to subtraction is?
you calll the answer to a subtraction problem a difference
What is the name of the subtraction sign?
the subtraction sign
What operations is the inverse operation of subtraction?
Inverse means opposite. What undoes subtraction? Addition undoes subtraction!
What do order of operations means explain?
Order of Operations is like when you have a problem i always use PEMDAS it means parenthesis, expoents, mulitipication, divide, addition, Subtraction follow it.
What is the answer of a subtraction question?
The answer to a subtraction problem is called the difference
