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23 Cards in this Set
- Front
- Back
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counting numbers
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the numbers used to count
1,2,3,4,5,6,7,8,9,10 |
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digit
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any of the symbols used to write numbers
1,2,3,4,5,6,7,8,9,10 |
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sequence
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a list of numbers arranged according to a certain rule
2,4,6,8, |
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term
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a number in a sequence
1,3,5,7,9,11 |
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even numbers
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Numbers that can be divided by 2 without a remainder; any number that ends with 0,2,4,6,8,10
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odd numbers
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Numbers that have a remainder of 1 when divided by 2; the numbers in this sequence: 1,3,5,7,9,11
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whole numbers
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all counting numbers and zero
1,2,3,4,5,6,7,8,9,10 |
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expanded form
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a way of writing a number that shows the value of each digit. 6,753=6 thousands+7 hundred + 5 ten+3 tens
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place value
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the value of a digit based on its position within a number
100 thous. 10 thous. thousands hundreds ten ones |
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comparison symbol
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a mathematical symbol used to compare numbers
< = > |
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decimal
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a symbol used to separate the ones place from the tenths place in decimal numbers (or dollars from cents in money).
$45.68 |
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sum
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answer to an addition problem
24+72= 96 |
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algorithm
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any process for solving a mathematical problem:
addition, subtraction, multiplication, division |
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Commutative Property of Addition
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changing the order of addends does not change their sum.
8+2= 2+8 |
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Identity Property of Addition
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the sum of any number and 0 is equal to the initial number.
12+0=12 |
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cardinal numbers
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the counting numbers
1,2,3,4,5,6,7,8,9,10 |
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ordinal numbers
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numbers that describe position or order;
first, second and third |
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minuend
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the number subtracted from in a subtraction problem
(5)-3=2 |
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subtrahend
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the number subtracted in a subtraction problem.
10-(5)= 5 |
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difference
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the result of subtraction
16-13= (3) |
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fact family
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a group of three numbers related by addition and subtraction
3+4=7 4+3=7 7-3+4 7-4=3 |
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inverse operations
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an operation that undoes another
52+6-6=52 |
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equation
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a number sentence that uses the equal sign to show that two quantities are equal.
25+13=38 |
