math review
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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| Even # | Are divisible by 2
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| Odd # | are not divisible by 2 and ALWAYS have a remainder
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| Digits | there are 10 digits, in which you can make any # out of
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| Prime # | #'s only divisible by itself and 1
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| Absolute value | distance between 0 and that # (always positive)
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| Variables/Coefficient | letters in a equation, the coefficient are the #(s) next to a letter
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| # divisible by 2 | any even # is divisible by 2
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| # divisible by 3 | sum of digits can be divisible by 3, then it is divisible by 3
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| # divisible by 4 | if the tens and ones digits are divisible by 4
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| #divisible by 5 | last digit is either a 5 or a 0
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| divisible by 6 | last digits are factors of 6 (2&3)
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| divisible by 8 | if the last 3 digits are divisible by 8
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| divisible by 9 | if the last digits add up to 9 then it is divisible by 9
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| = | equals sign
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| ≠ | slash in between the equals sign--> inequality
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| > | greater than
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| less than
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| ≥ | greater than or equal to
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| ≤ | less than or equal to
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| ( ) | parenthesis--> calculate whats inside those parenthesis first
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| [ ] | brackets --> calculate whats in the brackets first
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| + | plus sign meaning addition between to numbers or terms
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| ± | calculate both plus and minus operation
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| minus-plus (doesnt exist) | calculate both minus and plus operation
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| * | multiplication
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| x | times sign meaning multiplication
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| • | meaning multiplication
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| ÷ | means to divide
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| / | means to divide
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| exponents | multiplying a number by itself by a # of times
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| multiplying exponents | add the exponents
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| dividing exponents | subtract exponents
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| negative exponents | reciprocal of that exponent
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| fractional powers | #above the line is most like a real exponent 9 1/2 the two would become the radical of 9
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| power to a power | multiply exponents
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| zero power | always equal 1
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| first power | always equals that number
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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:
13yesca1
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