Decimal Place Value Expanded and Standard Form

The value given to a digit by its place in a number.

• comma

• decimal

• place value

• standard form

A number that has a digit in the tenths place, hundredths place, and/or beyond. Example: 14.456

• decimal

• word form

• expanded form

• period

The usual way of writing a number that shows only its digits, no words.

• standard form

• expanded form

• decimal

• word form

A way to write a number as the sum of the values of its digits. Example: 3,000 + 500 + 60 + 2

• word form

• standard form

• expanded form

• place value chart

Mike described a number using these clues.

• The value of the digit 5 is (5 x 0.01).
• The value of the digit 8 is (8 x 0.1).
• The value of the digit 4 is (4 x 1,000).

• 41,621.85

• 14,621.85

• 14,621.58

• 4,580

The mass in kilograms of an ice chest is shown in expanded notation. (1 x 10) + (3 x 1) + (6 x 0.1) + (1 x 0.01) What is this mass in kilograms, written as a numeral?

Mathematical Equivalence

ON

Which statement about the number 1,382,097.45 is true?

• The digit 5 has a value of (5 x 0.1).

• The digit 7 has a value of (7 x 100).

• The digit 4 has a value of (4 x 0.01).

• The digit 8 has a value of (8 x 10,000).

Write the following numbers in standard form

40 + 8 + .2 + .03

The mass in kilograms of an ice chest is shown in expanded notation. (1 × 10) + (3 × 1) + (6 × 0.1) + (1 × 0.01) What is this mass in kilograms, written as a numeral?

Which statement about the number 63,900.52 is true?

• The digit 5 has a value of (5 x 1).

• The digit 5 has a value of (5 x 10).

• The digit 5 has a value of (5 x 0.01).

• The digit 5 has a value of (5 x 0.1).