Algebre Chapter 1
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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| operation | A mathematical process (Most common + - x divide) Also, square root and exponents.
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| algebraic expression | Numbers, symbols and operators (such as + and ×) grouped together that show the value of something. A number sentence.
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| numeric expression | A mathematical phrase involving only numbers and one or more operational symbols.
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| evaluate | To calculate or solve an expression
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| simplify | To rewrite an expression in to its simplest form
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| rational number | A real number that can be written as a ratio of two integers (a fraction)
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| irrational number | Numbers that cannon be written in the form of a ratio (fraction)
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| square root | A number that when multiplied by itself is equal to the given number
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| perfect square | A number that is the square of a whole number
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| terminating decimal | A decimal that stops
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| repeating decimal | A decimal that has a repeating number or pattern that goes on forever
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| integers | Numbers in this set = {..., -3, -2, -1, 0, 1, ...}
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| inequality | General name for showing that two things are notequal: a < b says that a is less than b
a > b says that a is greater than b
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| variable | A symbol for a number we don't know yet. It is usually a letter like x or y.
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| natural numbers | Numbers in this set = {1, 2, 3, 4, 5…}
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| counterexample | Is an example that shows that a statement is not always
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| base | The number that is going to be raised to a power.
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| real numbers | Positive or negative, large or small, whole numbers or decimal numbers are all this type of number. They are not Imaginary Numbers (although those do exist). The largest number family.
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| exponent | Shows how many times the number is to be used in a repeated multiplication.
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| power | The whole unit of a base raised to an exponent
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| whole numbers | Numbers in this set = {0, 1, 2, 3, ...}
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| radicand | The value inside the radical sign. The value you want to take the root of.
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| inverse | The opposite of a number
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| absolute value | How far a number is from zero.
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| reciprocal | If you multiply a number by this you get 1. Also called the multiplicative inverse.
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| multiplicative inverse | Another name for reciprocal.
When you multiply a number by this you get 1.
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| distribute | - to give or deliver (something) to people
- to deliver (something) to a store or business
- to divide (something) among the members of a group
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| term | * a single number, or
* a variable, or
* numbers and variables multiplied together.
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| like terms | Terms whose variables (and their exponents) are the same.
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| coefficient | A number used to multiply a variable
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| constant | A number on its own, or sometimes a letter such as a, b or c to stand for a fixed number.
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| distributive property | Multiply a number by a group of numbers. The jumping property.
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| equation | A expression that states two things are the equal. It uses an equals sign.
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| solution | The answer to a problem.
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| open sentence | A mathematical statement that can be either true or false depending what values are used.
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| inductive reasoning | Making a conclusion based on an established pattern
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| radical | An expression that has a square root, cube root, etc. The symbol is √
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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:
jamimurray
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