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43 Cards in this Set
- Front
- Back
Borrow
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To regroup a value from a higher place value to a lower place value in order to subtract
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Rounding
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moving up or back toward the nearest specified value
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Regroup
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To borrow an amount from a larger place value (when subtracting). To carry an amount to the next larger place value (when adding).
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More
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greater in number or amount
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Multiplication
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to combine groups of equal amounts (4 groups of 2 4 x 2)
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Greater Than
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a (>) symbol that shows one value is larger than another value
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Estimating
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finding a value that is close to or about the same as the exact answer
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Greatest Common Factor (GCF)
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largest single factor of 2 or more numbers
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Factor
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any number that is multiplied to form a product
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Inequality
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question where two numbers are not equal to each other (4>2)
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Fact Family
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a group of related facts based on one fact (4+2=6, 2+4=6, 6-4=2, 6-2=4)
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Plus
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name of the symbol (+) used in an addition problem
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Digit
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the 10 symbols we use to write numbers 0 - 9
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Decimal
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a fraction shown in tenths, hundredths, and so on using a decimal point
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Ordinal Number
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any number used for ranking (first, second, third, ...)
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Average
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The sum of a group of numbers divided by the amount of numbers. Also known as a mean
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Probability
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study of likelihood that an event will occur
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MIxed Number
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a value that combines a whole number and a fractional amount
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Sequence
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order of things
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Ratios
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a comparison of two numbers
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Minus Sign
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a math symbol (-) that means to subtract one amount from another amount
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Whole Number
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any number that does not contain a fraction or a decimal
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Number Line
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a line that has numbered, equally spaced marks
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Odd Number
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a number that cannot be evenly divided by 2
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Even Number
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any number that can be evenly divided by 2
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Multiple
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A number that is the product of 2 numbers
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Prime Factors
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breaking down a composite number until all of the factors are prime
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Fewer
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less in amount or number
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Less Than
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a (<) symbol that shows one value is smaller than another value
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Sum
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an answer that comes from adding numbers
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Product
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the answer that comes from multiplying numbers
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Numeral
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a symbol used to represent a number
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Addends
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a number being added to one or more numbers
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Add
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to combine amounts or objects
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Subtraction
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finding the difference between two numbers by "taking away" a number from a whole amount
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Difference
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the answer that comes from subtracting one number from another
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Least Common Multiple (LCM)
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smallest multiple that 2 or more numbers have in common
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Times
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name given to symbol (X) used in multiplication
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Addition
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2 or more numbers are "put together" to make a number called the sum
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Equal Sign
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a symbol (=) that shows two amounts have the same value
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Fraction
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a number that stands for part of a whole or part of a group
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Rename
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To put in different terms with the same value.
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How much more...
How much less... How many more... Separate... |
When these words are seen in a story problem, they are clues to subtract
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