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