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# Math Operations

### 5th Grade Math terms

TermDefinition
operations Mathematical processes. The most common are addition, subtraction, multiplication, and division.
addition The process of calculating the sum of two or more numbers.
subtraction The process of calculating the difference of two or more numbers.
multiplication The process of combining numbers to find the product. Repeated addition of numbers.
division The process of separating a number into equal groups to find a quotient. Repeated subtraction of numbers.
array Arrangement of items in rows and columns, representing a number.
factors Numbers multiplied to get the product.
product The result of two or more factors. The answer to a multiplication problem.
quotient The result of a number being divided. The answer to a division problem.
divisor The number by which the divididend is to be divided. The number of groups the dividend is to be separated.
dividend A number to be divided by the divisor.
remainder The left over amount in a division problem.
compatible numbers Numbers that work together well and can be calculated easily mentally.
area model Using length and width (a rectangle or square) to represent a problem.
algorithm The standard process to solve.
approximate Using numbers close to the actual number.
rounding A method to shorten numbers, and make calculations easier, usually ending in zeros.
equation States that two things are equal, uses an equal sign.
expression A number sentence that may not use an equal sign.
multiple A number that can be divided by another number without a remainder. Skip counting.
prime number Can only be divided evenly by 1 and itself.
composite Can be divided evenly by other numbers, not just 1 and itself.