Commutative property - Study guides, Class notes & Summaries

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Natural numbers Consists of the numbers used to count. 1,2,3,4,5 etc... Associative property When adding three or more numbers, the sum is the same regardless of the way in which the numbers are grouped. Whole numbers Consists of the natural numbers together with zero. 0,1,2,3,4,5 etc... Real numbers Numbers expressed as decimals Commutative property. When adding two numbers, the sum is the same regardless of the order in which the numbers are added.

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Natural Numbers - correct answer N = {1, 2, 3, 4, 5, 6, . . . } Whole natural numbers together with zero. - correct answer W = {0, 1, 2, 3, 4, 5, 6, . . . } Every whole number has a unique opposite or negative whose sum with it is 0. For example, - correct answer 2 + (-2) = 0 The set of integers consists of the whole numbers and their opposites. - correct answer Z = {. . ., -3, -2, -1, 0, 1, 2, 3, . . . } Every nonzero integer has a unique reciprocal whose product with it is ...

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Declining gross motor skills - answerRefining of motor coordination According to Piaget, what is an important accomplishment at the preoperational stage? Conserving mass and weight Thinking symbolically Testing hypotheses Thinking logically - answerThinking symbolically A student understands that a deflated balloon can be inflated with air. According to Piaget, which cognitive level is this student demonstrating? Sensorimotor Preoperational Concrete operational Formal operational - an...

Commutative Property CORRECT ANSWER Changing the order of something does not change the end result. Ex. 8+12=12+8 Distrubutive Property CORRECT ANSWER a(b+c)=ab+ac order of operations CORRECT ANSWER Parentheses, Exponents, Multiplication, Division, Addition, Subtraction Area of a polygon CORRECT ANSWER A=½aP, where a is the apothem and P is the perimeter. The sum of Interior angles of an n-sided polygon is CORRECT ANSWER (n-2)180Deg convex polygon CORRECT ANSWER -a polygon in wh...

absolute value : The distance between a real number and zero on a number line. additive inverse : The opposite of a number. When added together, the sum is zero. algebraic expression : A collection of numbers and variables with at least one arithmetic operation. associative property : The grouping of terms within expressions involving addition or multiplication does not change the value. Ex: (a+b) + c = a + (b+c) axis of symmetry : The line that divides a graph into two symmetrical pa...

CSET Multiple Subjects Subtest 2: Math, Science Latest 2023 Graded A+ Order of Operations PEMDAS Parentheses Exponents Multiplication Division Addition Subtraction (between roots and exponents, do whatever comes first in the problem) What is the easiest way to find a common denominator? multiply all the denominators How do you multiply fractions? multiply numerator x numerator mutiply denominator x denominator (don't need a common denominator) how do you divide fractions? flip the second fr...