Final Review Part 1

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•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the additive inverse of a number?
Back
The additive inverse of a number is the value that, when added to the original number, results in zero. For example, the additive inverse of 5 is -5.
2.
FLASHCARD QUESTION
Front
How do you change a subtraction problem to an addition problem using the additive inverse?
Back
To change a subtraction problem to an addition problem, you can add the additive inverse of the number being subtracted. For example, -16 - 13 can be changed to -16 + (-13).
3.
FLASHCARD QUESTION
Front
What is the solution to the equation -(-x + 2) - 4x?
Back
The solution is -3x - 2.
4.
FLASHCARD QUESTION
Front
If twelve PTA members need to raise $527.86 and have already raised $349.11, how much must each member raise?
Back
Each member must raise $14.90.
5.
FLASHCARD QUESTION
Front
What property allows you to regroup numbers in an addition problem?
Back
The Associative Property allows you to regroup numbers in an addition problem.
6.
FLASHCARD QUESTION
Front
What is the Commutative Property of Addition?
Back
The Commutative Property of Addition states that changing the order of the addends does not change the sum. For example, a + b = b + a.
7.
FLASHCARD QUESTION
Front
What is the Distributive Property?
Back
The Distributive Property states that a(b + c) = ab + ac. It allows you to distribute a multiplier across terms in parentheses.
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