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Review Question:
Adding Integers of the same sign, find the _____
Adding Integers of different sign, find the _______.
Subtracting from a negative integer, ____ _____ _____ or _____/_____.
- Adding Integers of the same sign, find the sum.
- Adding Integers of different sign, find the difference.
- Subtracting from a negative integer, copy change change or fence/bubble.
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Review Question:
What is the order of Operations?
- Groupings
- Exponents
- Multiply/divide
- Subtract/add
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Review Question:
+x+= ?
+x-= ?
-x+= ?
-x-= ?
+/+= ?
+/-= ?
-/+= ?
-/-= ?
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Review Question:
A? Less than B?
A? comes _____ in the problem
B? comes _____ in the problem.
- A? comes second in the problem
- B? comes first in the problem
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Review Questions:
Multiplying by fractions is cross ______.
When fractions are equal, you cross ________.
- Multiplying by fractions is cross cancel.
- When fractions are equal, you cross multiply.
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Review Question:
To distribute, __________________________
Multiply the number out side of the parenthesis to the first term, then the second, and so on, until all the terms in the parenthesis are simplified. Now solve.
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Review Question:
How do you check your answer?
- 1) Write the Original Problem
- 2) Plug in your answer
- 3) Simplify
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Review Question: How do you combine like terms?
Take each term and make sure that they have a + or - sign in front. Then, combine the parts that have the same last name. So 12x-14+23-7x=54 is the same as 5x+9=54.
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Review Question:
If an answer to Identity, what does it mean?
The answer has and infinite number of solutions.
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Review Question: How do you solve a word problem?
- 1) Read it
- 2) Understand it
- 3) Create a let statement
- 4) Write an eaquation/inequality
- 5) Solve
- 6) Check to see if it makes sense.
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How do you solve a literal equation?
Act as if the variables are the same as normal numbers.
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Review Question: What is the Commtative Property of Addition?
- a+b=b+a
- The value of the numbers will be the same if they are switched
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Review Question: What is the Commutative Property of Multiplication?
- ab=ba
- The values will be the same if they are switched
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Review Question: What is the Associative Property of Addition?
- (a+b)+c=a+(b+c)
- #'s in the parenthesis may be paired with another number
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Review Question: What is the Associative Property of Multiplication?
- (ab)c=a(bc)
- The #'s in the parenthesis may be paired with another factor
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Review Question: What is the Identity Property of Addition?
- a+0=a
- Any number plus 0 equal itself
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Review Question: What is the Identity Property of Multiplication?
- 1a=a
- A number times one equals itslef
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Review Question: What is the Inverse Property of Addition?
- a+-a=0
- A number plus the negative version of itself will equal the identity element (0)
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Review Question: What is the Inverse Property of Multiplication?
- a x 1/a = 1
- A number multiplied by it's multiplicative inverse is equal to the identity element (1)
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Review Question: A binary operation is an operation that uses the main 4 and is represented by a ______.
Symbol
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Review Question: To find the inverse of an identity element, just plug in _______ (_________) _______ = ________ _______
Element (Operation) Inverse + Identity Element
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Review Question: How do you find the identity element of a binary operation?
Find out where the chart looks the same. For Example:
- @ A B C D
- A B D A C
- B D C B A
- C A B C D
- D C A D B
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Review Question: How is a binary operation commutative
- If it is commutative it means that A (operation) B is the same a B (operation) A.
- @ A B C D
- A B D A C
- B D C B A
- C A B C D
- D C A D B
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Review Question: A Binary operation is closed if...
If the numbers along the top are equal to the numbers on the bottom
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Review Question: The formula for Percent of Change is_______
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Review Question: Greatest possible error is _________
1/2 of the measuring unit. So 12 cm gpe is 0.5 cm.
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Review Question: Percent Error is_________
And Error in Measurement is ________
- P.E.: gpe/actual measurement as a percent
- E. in M.: gpe/ actual measurement without a percent
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Review question: How do you do a motion problem?
- Draw a picture
- Fill out a chart
- Set up and equation
- LET STATEMENT!
- Solved The QUESTION boxed with unit.
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