Chpt 1 Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Equation | An expression showing the equality of 2 quantities such as
2 +3 = 5 or 4x + 2 = 14
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| Inverse operation | Inverse operations are opposite operations. Addition is the opposite of subtraction; division is the opposite of multiplication, and so on.
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| Distributive property | Multiplying each term inside the parentheses with the term outside of the parentheses.
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| variable | A symbol for a number we don't know yet. It is usually a letter like x or y. Example: in x + 2 = 6, x is the variable.
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| addition property of equality | States that if the same amount is added to both sides of an equation, then the equality is still true.
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| Subtraction property of equality | States that when both sides of an equation have the same number subtracted from them, the remaining expressions are still equal. For example: If 5 = 5, then 5 - 2 = 5 - 2.
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| Multiplication property of equality | States that when both sides of an equation are multiplied by the same number, the remaining expressions are still equal. For example: If 5 = 5, then 5 x 2 = 5 x 2.
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| Division property of equality | States that if you divide both sides of an equation by the same nonzero number, the sides remain equal.
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| like terms | Terms that have the exact same variables and exponents, but they can have different coefficients. 6x, 52x, -3x---Not 7y
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| volume | Volume is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid. V= l x w x h
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| perimeter | the total distance around the edge of the figure.
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| literal equation | An equation that has 2 or more variables and
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| expression | A mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators such as add,subtract,multiply, and divide. It does not have an equal sign
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| solve | find the value of a numerical or algebraic expression.
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| evaluate | find the value of a numerical or algebraic expression.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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