chapters 1-5 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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| writing a number using one of the ten digits for each place value example: 68,402 | Standard form
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| a number written in a form that shows the value of each of its digits example: 582= 500 + 80 + 2 | expanded form
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| writing the prime factoriztion of a number using exponents example: 16 = 2^4 (2 to the 4th power) | exponential form
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| when writing a number in exponential form, it is the factor that is raised to a power example: 2^4, the number 2 | base
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| when writing a number in exponential form, it is the number that tells how many times the base is used as a factor | exponent
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| a number raised to the second power | squared
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| a number raised to the third power | cubed
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| a number written in a way that shows the value of each of its digits using exponents example: 64 = 6 * 10^1 + 4 * 10^0 | expanded form with exponents
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| a method for estimating when the numbers appear to group around a common number example: 42 + 45 + 46 ~ 45 + 45 + 45 = 135 | clustering
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| numbers that "go together" because they are easy to compute mentally | compatible numbers
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| changing the order of two numbers does not change the answer when you add or multiply example: 8 * 9 = 9 * 8 | commutative properties
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| changing the grouping of numbers does not change the answer when you multiply or add example: (2*3)*5=2*(3*5) | associative properties
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| when the factor on the outside of the parentheses is multiplied by each number inside the parentheses example: 3(4 + 6)= 3*4 + 3*6 | distributive
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| the sum of 0 and any number is that same number example: 8 + 0 = 8 | identity property of addition
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| the product of 1 and any number is that same number example 45 * 1 = 45 | identity property of multiplication
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| any number multiplied by 0 results in a 0 example: 9*0=0 | multiplication property of zero
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| a letter than stands for an unknown number in an expression or an equation example: 5x | variable
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| a number in exponential form where the base is ten and the exponent is a negative number representing a fraction or a decimal | negative powers of 10
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| a number expressed as a product of a number greater than or equal to 1, but less than 10 and a power of 10 | scientific notation
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| the product of a number and a whole number greater than zero example: 4: 4, 8, 12, 16, 20 24 ..... | multiple
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| any numbers multiplied to form a product example: 2 * 3 | factor
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| any number that has only two factors, 1 and that number itself example: 17 = 1*17 | prime number
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| any number that has more than two factors example: 9 = 1, 3, 9 | composite number
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| the expression of a composite number as the product of its prime factors example: 30 = 2 * 3 * 5 | prime factorization
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| the largest factor that two or more numbers share example: 12 and 20 = 4 | greatest common factor GCF
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| for two or more numbers the smallest number except for zero that is a multiple of each number example: 6 and 9 = 18 | least common multiple LCM
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| a common fraction that names a number less than one example: 1/2 | proper fraction
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| a fraction that names a number that is equal to or greater than 1 example: 8/7 | improper fraction
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| a number that has both a whole number and a fractional part example: 8 1/4 | mixed numbers
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| a decimal that ends example 3/8 = 0.375 | terminating decimal
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| a decimal number with a digit or a group of digits that repeat on and on, without end example: 1/3 = 0.333333........... | repeating decimal
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| two numbers who product is 1 example 2/3 * 3/2 = 1 | reciprocal
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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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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:
ahastings
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