Zero is the _____ for rational numbers. For any rational number a, 0+a=a.
Two numbers, a and b, that satisfy the equation a+b=0.
A set of rules for performing a procedure. For example, the steps to perform long division.
The order of the addition or multiplication of two numbers does not change the result.
A mathematical property used to rewrite expressions involving addition and multiplication. The _____ states that for any three numbers a, b, and c, a(b+c)=ab+ac.
The form of an expression made up of sums or differences of terms rather than products of factors. For example, the expressions 20+30 and 5(4)+5(21).
The form of an expression made up of products of factors rather than sums or differences of terms. For example, the expressions 10(2+3) and 5(4+21).
The whole numbers and their opposites.
The _____ for rational numbers is 1 or any rational expression equal to 1. Multiplying any rational number by 1 results in a product identical to the original rational number. For any rational number N, N×1=N. For example, 49×1=49.
Two numbers, a and b, that satisfy the equation ab=1. For example, 3 and 1/3 are _____ since 3×1/3=1
A mathematical statement that gives the relationship between two expressions that are composed of numbers and operation signs.
Two numbers whose sum is 0.
Order of Operations
A set of agreements or conventions for carrying out calculations with one or more operations, parentheses, or exponents. For example, PEMDAS.
A number that can be written as a quotient of two integers where the denominator is not 0. For example, any fraction.
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