ROS - 5th Grade Vocabulary Words

I am a group of 3 digits separated by commas in a multidigit number.

• period

• estimate

• factor

• place value

I am a mathematical phrase that has numbers and operation signs but no equal sign.

• Numerical Equation

• Numerical Expression

• Estimate

• Order of Operations

I am operations that undo each other, like multiplication and division.

• Numerical Expression

• Inverse Operations

• Numerical Evaluation

• Order of Operations

I am a number that tells how many times the base is used as a factor.

• Exponent

• Factor

• Estimate

• Quotient

I am the property that states that multiplying a sum by by a number is the same as multiplying each addend in the sum by the number and then adding the products.

• Identity Property

• Associative Property

• Commutative Property

• Distributive Property

A symbol used to separate the one place from the tenths place in decimal numbers.

• remainder

• decimal point

• exponent

• estimate

To find a number that is close to the exact amount.

• remainder

• tenth

• estimate

• exponent

Numbers that are easy to compute mentally.

• exponents

• compatible numbers

• decimal

• decimal point

One of ten equal parts.

• tenth

• tens

• hundreths

• ones

A number with one or more digits to the right of the decimal point.

• decimal

• decimal point

• numerical expression

• exponent