A group of characters or symbols representing a quantity or an operation. See arithmetic expression and mathematical equation. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires ...

Algebraic expressions can be simplified by collecting like terms. Positive like terms are often written before the negative like terms. When grouping the like terms together, the order does not matter ...

Match fun story problems with the correct addition or subtraction expression. Join Mrs. Gray for number talk with the Counting Buddy Junior. Then get ready to match fun story problems with the correct ...

Statistically, the most common symbol in mathematics is the equal sign, which appears in 94% of mathematical expressions. Almost 60% of statements deploy parentheses. Numbers take up only 13% of the ...

Most people learned math as children by writing out problems on paper. This calculator app lets you do just that, but also lets you perform complex computations, all by writing numbers and symbols on ...