Math Vocabulary List


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Math vocabulary
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Math Vocabulary List


#1-10
Sum: the total or whole amount. Addend + Addend = Sum
Difference: difference between two numbers.
Associative property of addition: in addition, no matter how the numbers are grouped, the answer will always be the same.
Commutative property of addition: in addition, numbers may be added together in any order.
Identity of property of addition: when zero is added to a number the result is the number itself.
Distributive property of addition: the sum of two numbers times a third number is equal to the sum of each addend times the third number.
Expanded form: a way of writing numbers to show place value.
Word form: writing numbers using words.
Equal sign: used to show equivalence.
Value: numerical worth or amount.
#11-20
Equation: mathematical statement containing an equal sign, to show that two expressions are equal.
Operations: there are four basic operations in arithmetic used to solve problems. They are addition, subtraction, multiplication, and division.
Regroup: used to assist when trading or carrying in addition and subtraction.

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