Topic 1 5th Grade Math Vocabulary

Equivalent Decimals

• Decimals that represent different amounts.

• Decimals that name the same amount.

• Decimals that are always whole numbers.

• Decimals that are less than one.

Hundredths

• One out of a hundred equal parts of a whole. The position 2 places to the right of the decimal point.

• One out of ten equal parts of a whole. The position 1 place to the right of the decimal point.

• One out of a thousand equal parts of a whole. The position 3 places to the right of the decimal point.

• One out of a million equal parts of a whole. The position 6 places to the right of the decimal point.

Thousandths

• One out of a hundred equal parts of a whole. The position 2 places to the right of the decimal point.

• One out of a thousand equal parts of a whole. The position 3 places to the right of the decimal point.

• One out of ten equal parts of a whole. The position 1 place to the right of the decimal point.

• One out of a million equal parts of a whole. The position 6 places to the right of the decimal point.

Greater Than

• Is more than.

• Is less than.

• Is equal to.

• Is approximately equal to.

Expanded Form

• A number written as the product of its digits.

• A number written as the sum of the values of its digits.

• A number written in scientific notation.

• A number written in standard form.

Value

• Money: how much something is worth

• Math: the numerical worth given by the place of a digit.

• Value: a measure of importance or worth

• Value: a principle or standard of behavior

Tenths

• One out of ten equal parts of a whole. The position 1 place to the right of the decimal point.

• A fraction representing one part of a hundred.

• A term used to describe a whole number divided by two.

• A decimal that represents one part of a thousand.

Word Form

• A number written in words.

• A mathematical equation.

• A type of graph.

• A written description of a shape.

Less Than

• Is smaller than.

• Is greater than.

• Is equal to.

• Is not equal to.

Expanded Notation

• A method of writing numbers using only digits.

• A number shown as the sum of each digit multiplied by its matching place value.

• A way to express numbers in scientific notation.

• A technique for rounding numbers to the nearest whole number.