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Saxon 87
Definitions Lessons 1-5
Term | Definition |
---|---|
A Score | 20 years |
A Dozen | 12 items |
Natural Numbers | {1, 2, 3, 4, 5, . . .} |
Whole Numbers | {0, 1, 2, 3, 4, 5, . . .} |
Consecutive Numbers | Numbers that follow each other in increasing order from smallest to largest with no missing numbers in between |
Fundamental Operations in Arithmetic | Addition, Subtraction, Multiplication, Division |
Addends | Numbers being added in an addition problem |
Sum | Answer to an addition problem |
Subtrahend | Number being subtracted in a subtraction problem` |
Minuend | Number being subtracted from in a subtraction problem` |
Difference | Answer to a subtraction problem |
Factors | Numbers being multiplied in a multiplication problem |
Product | The answer to a multiplication problem |
Divisor | The number being divided by in a division problem |
Dividend | The number being divided into in a division problem |
Quotient | The answer to a division problem |
Variable | A letter that represents an unknown number |
Evaluate | Assigning numbers to variables and simplifying |
Inverse Operation | An operation that "undoes" another |
Inverse Operation of Addition | Subtraction |
Inverse Operation of Subtraction | Addition |
Inverse Operation of Multiplication | Division |
Inverse Operation of Division | Multiplication |
Fact Family | A group of math facts created using three numbers |
Commutative Property for Addition | a + b = b + a |
Commutative Property for Multiplication | a x b = b x a |
Additive Identity Property | a + 0 = a |
Additive Identity | 0 |
Multiplicative Identity Property | a x 1 = a |
Multiplicative Identity | 1 |
Zero Property of Multiplication | a x 0 = 0 |
Associative Property of Addition | (a + b) + c = a + (b + c) |
Associative Property of Multiplication | (a x b) x c = a x (b x c) |
Sequence | A list of numbers that follow a particular pattern or rule to get from one number to the next |
Odd Numbers | Numbers that not divisible by 2; 1, 3, 5, 7, . . . |
Even Numbers | Numbers that are divisible by 2; 2, 4, 6, 8, ... |
Perfect Squares | Numbers that correspond to the multiplication of two of the same integers with themselves; 1, 4, 9, 16, 25, 36, . . . |
EquationO | A statement that two quantities are equal; x + 3 = 7 |
Integers | Set of numbers that includes zero, the natural numbers and their additive inverses (negative numbers); {. . . -4, -3, -2, -1, 0, 1, 2, 3, . . .} |
Number Line | A pictorial representation of numbers on a straight line |
Comparison Symbols | >, <, = |
Symbol for Greater Than | > |
Symbol for Less Than | < |
Place Values to Hundred Trillion | Ones, tens, hundreds, thousands, ten thousand, hundred thousands, millions, ten million, hundred million, billion, ten billion, hundred billion, trillion |
Place Value | The value of a digit based on its position |
Expanded Notation | The representation of a number as a sum of place values where each term is shown as a digit times its place value |
Digit | Any of the numerals from 0 to 9, especially when forming part of a number. |