Topics 1 - 3 Vocabulary (Envisions)

Front

A statement that is believed to be true but has not been proven.

Back

Conjecture

Front

A number written as the sum of the values of its digits. Example: 2,476 = 2,000 + 400 + 70 + 6

Back

Expanded form

Front

Factors can be multiplied in any order and the product stays the same.

Back

Commutative property of multiplication

Front

In a number, a period of three places to the left of the thousands period.

Back

Millions

Front

Multiplying a sum (or difference) by a number is the same as multiplying each number in the sum (or difference) by that number and adding or subtracting the products. Example: (3 x 21) = (3 x 20) + (3 x 1)

Back

Distributive property

Front

The value of a digit based on its position in a number.

Back

Place value

Front

A way to write numbers that shows the value of each digit. Example: 2,476 = 2,000 + 400 + 70 + 6

Back

Expanded notation

Front

The property that states when you add or multiply, the grouping of the numbers does not change the result. Example: (2 + 3) + 4 = 2 + (3 + 4)

Back

Associative property

Front

A symbol that shows one number is larger than another. Example: 5 > 3

Back

Greater than symbol

Front

A mathematical sentence that shows two expressions are equal. Example: 3 + 2 = 5

Back

Equation