equations, properties and inequalities review unit 6 6 th grade math
TRANSCRIPT
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Equations, Properties and Inequalities Review
Unit 6
6th Grade Math
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Rules for review• Use a white board (or piece of paper ) to
work out the problems and display your answer
• Show work when required
• Circle your answer
• Each slide will have one question followed by the answer
• Let’s begin!!
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Which of the following equations represents the Associative Property of Multiplication?
a. 3 * 29 = 29 * 3b. 29 * 1 = 29 c. (3 * 29) * 8 = 3 * (29 * 8)
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Which of the following equations represents the Additive Inverse Property?
a. 67 + 9 = 9 + 67b. 67 + (-67) = 0c. (67 + 9) + 18 = 67 + (9 + 18)
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Which of the following equations represents the Multiplicative Identify Property?
a. 45 * 0 = 0b. 45 * 2 = 2 * 45c. 45 * 1 = 45
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Which of the following equations represents the Additive Identify Property?
a. 35 + 0 = 35b. 35 + (-35) = 0c. 35 + 18 = 18 + 35
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Which of the following equations represents the Associate Property of Addition?
a. 67 + 9 = 9 + 67b. 67 + (-67) = 0c. (67 + 9) + 18 = 67 + (9 + 18)
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Which of the following equations represents the Commutative Property of Multiplication?
a. (5 * 7) * 3 = 5 * (7 * 3)b. 35 * 7 = 7 * 35c. 5 * 1 = 5
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Which of the following equations represents the Commutative Property of Addition?
a. 67 + 9 = 9 + 67b. 67 + (-67) = 0c. (67 + 9) + 18 = 67 + (9 + 18)
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Which of the following equations represents the Multiplicative Inverse of Multiplication?
a. 4 * ¼ = 1 b. 4 * 0 = 0c. 4 * 5 = 5 * 4
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What is the difference between using an open circle and closed circle when graphing and inequality.
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The open circle is used when
graphing with a <, >, and and indicates the set of numbers will NOT include that number and the closed circle is used when graphing with , and will include that number.
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Write out the inequality that represents the graph. Use x as the variable.
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x -2
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Write out the inequality that represents the graph. Use x as the variable.
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x < -1
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Solve the following equation
78 = x + 13
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Solve the following equation
78 = x + 13-13 - 13
65 = x x = 65
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Solve the following equation
78 = x + 13
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Solve the following equation
y – 14 = 25 +14 +14 y = 39
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Solve the following equation
7y = 63
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Solve the following equation
7y = 63 7 7
y = 9
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Solve the following equation
5y = 7
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Solve the following equation
5y
* 75 5= *
y = 35
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7x + 6y - 3 = 68
Is the following math statement an expression, equation or inequality?
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7x + 6y - 3 = 68
It is an equation because it has an = sign
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7x + 6y - 3
Is the following math statement an expression, equation or inequality?
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4x + 7y - 25
It is an expression because it does NOT have an = sign or < > sign.
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3x + 5 - 2y
What is the constant in the expression above?
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3x + 5 - 2y
The constant is
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3x + 5
What is the variable in the expression above?
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3 x + 5
The variable is
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3x + 5
What is the coefficient in the expression above?
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3 x + 5
The coefficient is
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3x + 5
What is the constant in the expression above?
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3 x + 5
The constant is