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21 Cards in this Set
- Front
- Back
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Digit
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Is a number 0,1,2,3,4,5,6,7,8 or 9 that names a place-value location
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Period
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For larger numbers, digits are seperated by commans into groups of three.
Each period has a name: ones, thousnads, Millions, Billions, Trillions and so on. |
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Digit
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Is a number 0,1,2,3,4,5,6,7,8 or 9 that names a place-value location
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Period
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For larger numbers, digits are seperated by commans into groups of three.
Each period has a name: ones, thousnads, Millions, Billions, Trillions and so on. |
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Whole Numbers
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Any of the set of nonnegative integers.
0.1,2,3,4,5....10,11,12 and so on. |
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Natural Numbers
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The number 1 or any number (as 3, 12, 432) obtained by adding 1 to it one or more times... There are NO zero to the left of the number.
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Standard Notation
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Example: 23,457
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Expanded Notation
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Example: 2 ten thousand + 3 one thousands + 4 hundreds + 5 tens + 7 ones = (23,457)
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Word Names
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Pronounce the name: 2,350,381 = Two million,three hundred,fifty thousand,three hundred eighty-one
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Sum
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The whole amount
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Addends
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A number to be added to another number
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Association Law of Addition
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a + (b+c) = (a=b) = c
It does not matter how we group the numbers. |
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Communtative Law of Addition
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a + b = b + a
We can add whole numbers in any order |
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Place-Value Chart
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Perimeter
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The distance around an object.
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Minuend
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Is the number which another number is being subtracted. (10-8=2 the 10 is the MINUEND)
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Subtrahend
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Is the number being subtracted (10-8=2 the 8 is the subtrahend)
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Difference
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Is the result of subtracting the subtrshend from the meinuend (10-8=2 the 2 is the Difference)
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Subtraction
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The differene a - b is that unique whole number c for which a = c + b
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Related Sentences
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5 - 2 = 3
The RELATED SENTENCE is 5 = 3 + 2 |
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Subtraction of whole numbers
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To subtract number, we subtract the ones digits first, then the tens digits, then the hundreds, then the thousands and so on.
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