- Use properties of operations to generate equivalent expressions.
- Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
Vocabulary Expressions and Equations
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division property of equality |
dividing each side of the equation by the same number produces an equivalent equation |
division property of inequality |
If an inequality is divided on both sides by the same negative, the inequality symbol must be reversed to remain a true statement |
exponents |
a notation that implies the number of times the base is multiplied |
equivalent expression |
two mathematical phrases (expressions) whose value are equal after substitution
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estimation |
approximate calculation |
factors |
1 or 2 numbers that when multiplied produce a given product |
formula |
general rule for finding the value of something, often using variables |
greatest common factor (GCF) |
the largest number that is a common divisor of a given set of numbers |
inequalities
not equal
like terms |
terms that have the same variable raised to the same exponent (even if the exponent is to the 0 power)
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mental computaion |
solve the mathematical problem in your mind |
monomial |
a mathematical expression that has 1 term |
origin |
the center of a quadrant plane
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quadrant |
the "x" & "y" axis divides a coordinate plane is 4 regions, each region is called a quadrant |
rational |
a real number that can be written as a fraction (denominator is not zero) |
scientific notation |
a method of writing 2 numbers as a product of 2 factors, one is a power of ten |
simplest form |
combine like terms and and constants,and clear parentheses
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variable |
letter used to represent a number in an equation |