https://padlet.com/no_lairmore/gt3g29csixlf en-us 2019-01-07 19:44:27 UTC 2019-01-07 20:06:27 UTC hello@padlet.com ga_mischnick https://padlet.com/no_lairmore/gt3g29csixlf/wish/318063332 the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations]]> 2019-01-07 19:49:44 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318063332 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318063684 a base or radix is the number of different digits or combination of digits and letters that a system of counting uses to represent numbers. For example, the most common base used today is the decimal system. Because "dec" means 10, it uses the 10 digits from 0 to 9.]]> 2019-01-07 19:50:21 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318063684 ga_mischnick https://padlet.com/no_lairmore/gt3g29csixlf/wish/318063849 2019-01-07 19:50:39 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318063849 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318063999 A fixed value. In Algebra, aconstant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number. Example: in "x + 5 = 9", 5 and 9 are constants.]]> 2019-01-07 19:50:58 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318063999 ga_mischnick https://padlet.com/no_lairmore/gt3g29csixlf/wish/318065218 2019-01-07 19:53:10 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318065218 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318065306 The coefficients are the numbers that multiply the variables or letters. Thus in 5x + y - 7, 5 is a coefficient. It is the coefficient in the term 5x. Also the term y can be thought of as 1y so 1 is also a coefficient. ... Constants are terms without variables so -7 is a constant.]]> 2019-01-07 19:53:20 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318065306 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318065663 The commutative property of addition and multiplication tells us that it does not matter which number we add first, or multiply first. ... The same thing goes for multiplying backwards. The definitionof commutative property of addition is, when we substitute any number for a and b, . For example, , because and are both .]]> 2019-01-07 19:54:02 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318065663 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318066094 A variable is a letter, for example x, y or z, that represents an unspecified number. 6 + x = 12. To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12.]]> 2019-01-07 19:54:56 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318066094 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318066711 An exponent refers to the number of times a number is multiplied by itself. For example, 2 to the 3rd (written like this: 2³) means: 2 x 2 x 2 = 8. 2³ is not the same as 2 x 3 = 6.]]> 2019-01-07 19:56:17 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318066711 ga_mischnick https://padlet.com/no_lairmore/gt3g29csixlf/wish/318066895 Variables are used throughout math after Algebra, and are important to understand. A defining variable is a symbol, such as x, used to describe any number. When a variableis used in an function, we know that it is not just one constant number, but that it can represent many numbers.]]> 2019-01-07 19:56:39 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318066895 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318067003 one of two or more numbers, algebraic expressions, or the like, that when multiplied together produce a given product; a divisor: 6 and 3 are factors of 18.]]> 2019-01-07 19:56:54 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318067003 ga_mischnick https://padlet.com/no_lairmore/gt3g29csixlf/wish/318067312 The distributive property is one of the most frequently used properties in math. In general, this term refers to the distributive property of multiplication which states that the. Definition: Thedistributive property lets you multiply a sum by multiplying each addend separately and then add the products.]]> 2019-01-07 19:57:33 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318067312 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318067574 The Multiplicative Identity Property. For a propertywith such a long name, it's really a simple math law. The multiplicative identity property states that any time you multiply a number by 1, the result, or product, is that original number]]> 2019-01-07 19:58:07 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318067574 ga_mischnick https://padlet.com/no_lairmore/gt3g29csixlf/wish/318067691 Equivalent expressions are expressions that are the same, even though they may look a little different. If you plug in the same variable value into equivalent expressions, they will each give you the same value when you simplify.]]> 2019-01-07 19:58:22 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318067691 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318068092 The power of a number says how many times to use the number in a multiplication. It is written as a small number to the right and above the base number. In this example: 8² = 8 × 8 = 64. (Other names for power are index or exponent) Exponents.]]> 2019-01-07 19:59:15 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318068092 ga_mischnick https://padlet.com/no_lairmore/gt3g29csixlf/wish/318068529 "Like terms" are terms whose variables (and their exponents such as the 2 in x²) are the same. In other words, terms that are "like" each other. Note: the coefficients (the numbers you multiply by, such as "5" in 5x) can be different.

]]> 2019-01-07 20:00:07 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318068529 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318068595 There are four mathematical properties which involve addition. The properties are the commutative, associative, additive identity and distributive properties. Commutative property: When two numbers are added, the sum is the same regardless of the order of the addends. For example 4 + 2 = 2 + 4.]]> 2019-01-07 20:00:12 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318068595 ga_mischnick https://padlet.com/no_lairmore/gt3g29csixlf/wish/318068782 The term 'numerical' means 'involving numbers' and the term 'expression' means 'phrase'. A numerical expression is a mathematical phrase involving only numbers and one or more operational symbols.

]]> 2019-01-07 20:00:33 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318068782 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318068873 MATH]]> 2019-01-07 20:00:43 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318068873 no_lairmore https://padlet.com/no_lairmore/gt3g29csixlf/wish/318069101 Variable definition. A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters , , and are common generic symbols used for variables.]]> 2019-01-07 20:01:10 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318069101 ga_mischnick https://padlet.com/no_lairmore/gt3g29csixlf/wish/318069182 the product of a rational number multiplied by itself.]]> 2019-01-07 20:01:17 UTC https://padlet.com/no_lairmore/gt3g29csixlf/wish/318069182