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Why would you use addition to solve a subtraction equation?
because you undo the operation in the equation= to undo subtraction you add
What are the four operations in math that you mostly use?
Addition + Subtraction - Multiplication * Division /
How can you use symbols to write addition and subtraction equations?
to come up with the total
Are real numbers closed under addition and subtraction?
Real numbers are closed under addition and subtraction. To get a number outside the real number system you would have to use square root.
How did the ancient egypitans use math?
The ancient Egyptians use math by addition subtraction multiption and divion
How do you use greatest common factor with addition and subtraction of fractions?
You don't. You use the GCF to reduce the answer once the addition or subtraction is complete.
How can you use subtraction to complete an addition pattern?
you can look at it backwards and find your anwser
What is the abacus use for?
addition subtraction multiplication and division
Explain how you know to use a variable in an addition or subtraction expression?
that we can use it
In addition use in sentence?
In addition to his response I vote yes. or I like addition better than subtraction.
Why would you use addition to solve a subtraction equation?
because you undo the operation in the equation= to undo subtraction you add
What type of math does a CPA use?
Basic addition and subtraction mostly.
How is subtraction and addition related?
They both include number and they use your head
Why can you use addition to check your subtraction?
Addition is the opposite of subtraction. For example, 24 - 9 = 15. If you want to check your answer, add 9 + 15. It equals 24, so your answer is correct.
What are the four operations in math that you mostly use?
Addition + Subtraction - Multiplication * Division /
How can you use symbols to write addition and subtraction equations?
to come up with the total
Are real numbers closed under addition and subtraction?
Real numbers are closed under addition and subtraction. To get a number outside the real number system you would have to use square root.
