7th Grade math terms
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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| acute | angle greater than 0 and less than 90 degrees
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| algorithm | steps used to solve a problem
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| associative properties | the answer to a problem will be the same regardless of how you group it.
ex. a+b will give you the same answer as b+a
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| bivariate data | data that has two variable.
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| Box-and-whisker plot | pictorial representation of the median of data and the range of all data from highest to the lowest quartile.
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| common factors | a number that divides evenly into two or more expressions
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| common referent | something that is familiar that can be used to understand something that is less familiar.
ex. A loaf of bread is about 12 inches long.
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| communitive property | numbers order in a math problem can be changed (14+2 will give you the same answer as 2+14) but the answer remains the same.
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| compatible numbers | a pair of numbers that are easy to work with mentally. Ex. 141 x 4 Could be estimated by 140 X 5
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| congruent | same size and same shape
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| correlation (hint: relation) | the relationship between 2 sets of data
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| coefficient | A number or symbol multiplied in an algebraic term.
ex. 5a - 5 is coeffient and a is the variable.
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| distributive property | Math property that states that multiplying a sum by a number is the same as multiplying each addend (the numbers being added) by the number and then adding the products.
Ex a x (b + c) will get same answer as (a x b) + (a x c)
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| dividend | number that is divided by another 20/4
The 20 is being divided and called dividend.. The 4 is the number dividing and is called the divisor. The answer is called the QUOTIENT.
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| equation | a math sentence with an equal sign
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| divide | to evenly seperate an amount into equal groups.
Ex. Mom buys Reese Cup and says give 1/2 to your brother. You divide it by giving 1 to brother and 1 for yourself.
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| equivalent | two numbers or expressions are equal
Ex. 210 = 200+10
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| expression | combining variable, number and symbols (but not including inequality and equality symbols)
Ex. a+3b
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| irrational numbers | any number that can be written as a decimal, but not a fraction. Ex. Pi 3.14...
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| face | flat surface on a solid figure
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| function table | table that lists pairs of numbers that show a function.
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| mean | the average of a set of numbers
add all numbers and then divide by the number of addends
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| mode | the number in a data set that occur MOST
2,3,2,2 the the mode is 2
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| median | the middle number when data is arranged from least to greatest
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| natural numbers | the counting numbers
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| negative numbers | numbers less than zero and to the left of the zero on the number line.
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| perfect square | the product (answer of multiplication) of a number multiplied by itself.
Ex. 16 is the perfect square of 4 because 4x4
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| integers | positive numbers, their opposites and zero
-3, -2, -1, 0, 1, 2, 3
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| proportion | an equation that shows that two ratios are equal. Ex. 12/18 = 4/6
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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.
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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:
cvacca
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