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A mathematical sentence combines two expressions with a comparison operator to create a fact that may be either true or false. Possible comparison operators are "equal," "not equal," "greater than," "less than," "greater... More »
Examples of mathematical functions include y = x + 2, f(x) = 2x, and y = 3x  5. Any mathematical statement that relates an input to one output is a mathematical function. Many simple mathematical functions are written a... More »
Some reallife examples of a mathematical array include student desks in a classroom, a grid layout of city blocks and a box of chocolates. Other household and classroom arrays are a carton of eggs, a muffin tin, a box o... More »
The specific comparison operator used for "not equal to" varies across various programming languages. In computer programming, comparison operators let one determine whether two entities are related in a specific way. More »
Some secondgrade math problems involve counting in number patterns, describing patterns, onedigit addition and subtraction, twodigit addition and subtraction, identifying fact families, knowing place values, learning ... More »
The multiplication and division fact family for the number family two, three and six includes "2x3=6," "3x2=6," "6÷5=2" and "6÷2=3," and the facts that accompany the four, five and 20 family are "4x5=20," "5x4=20," "20÷4... More »
A "basic fact" in math is defined as any mathematical number, fact or idea instantly recalled without resorting to strategies, according to NZCER.org. The main basic facts encountered in math are "wholenumber" basic fac... More »

Plagiarism Detection
Spot unoriginal text by checkingagainst an 8 billion page database.

Writing Enhancement
Improve word choice and style withcontextoptimized suggestions.

The #1 Grammar Checker
Instantly find and correct over 250types of grammatical mistakes.

Automated Grammar Checker
Don't submit your paper beforechecking for grammar & punctuation.

MS Office® Plugin
Grammarly integrates seamlesslywith MS Word and Outlook.

Grammarly Business
Effective communicators make aneffective team. Sign your team up!