Unit 4 Math vocab
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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| factor | Factors are numbers you can multiply together to get another number: Example: 2 and 3 are Factors of 6, because 2 × 3 = 6.
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| variable | A symbol for a number we don't know yet.
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| constant | In Algebra, a Constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number. Example: in "x + 5 = 9", 5 and 9 are
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| base | The number that is going to be raised to a power.
Example: in 82, 8 is the base
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| exponent | The Exponent of a number says how many times to use that number in a multiplication. It is written as a small number to the right and above the base number. In this example: 8 2 = 8 ×
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| perfect square | The number that is going to be raised to a power.
Example: in 82, 8 is the base
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| PEMDAS |
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| algebraic expression | can contain at least one variable and at least one operation...For example, n+2 represents the sum of an unknown number and two.
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| order of Operations | Order of operations tells us what order we are supposed to do things in a math problem. For example, what's the answer to this? 4 + 10 x 2 Do we do the 4 + 10 first? Or the 10 x 2 first?
Here is the official order of operations:
(1) Parenthesis
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| Numerical Expressions | An expression that has a number in it
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| coeffecient | A Coefficient is a number used to multiply a variable (4x means 4 times x, so 4 is a coefficient)
Sometimes a letter stands in for the number:
Example: ax2 + bx + c
x is a variable
a and b are coefficients
c is a constant
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| term | A Term is either a single number or a variable, or numbers and variables multiplied together.
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| expression | An Expression is a group of terms (the terms are separated by + or − signs)
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| equation | That equation says: what is on the left (x + 2) is equal to what is on the right (6)
So an equation is like a statement "this equals that"
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| distributive properties |
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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:
Chase.Wassel
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