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13 Cards in this Set
- Front
- Back
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digit
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A symbol used to write numbers.
The ten digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. |
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is equal to (=)
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Having the same value.
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pattern
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A sequence of numbers, figures, or symbols that follows a rule or design. Example: 2, 4, 6, 8, 10.
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period
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A group of three digits is called a period.
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place value
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The value given to a digit by its place in a number. Example: Look at the number 5,349. A 5 is in the thousands place and has a value of 5,000. A 9 is in the ones place and has a value of 9.
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round
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To change the value of a number to one that is easier to work with. To find the nearest value of a number based on a given place value. Example: 27 rounded to the nearest ten is 30.
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standard form
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The usual way of writing a number that shows only its digits, no words.
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is greater than >
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An inequality relationship showing that the value on the left of the symbol is greater than the value on the right. Example: 5 is greater than 3
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word form
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To write the number in words.
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is less than <
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The value on the left side of the symbol is smaller than the value on the right side. Example: 4 is less than 7
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expanded form/expanded notation
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The representation of a number as a sum that shows the value of each digit. Example: 536 is written as 500 + 30 + 6.
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number line
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A line that represents numbers as points.
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CHAPTER 1
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CHAPTER 1
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