Decimals and Expanded Form(Notation)

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part.

Front

What does expanded form mean?

Back

Expanded form is a way of writing numbers that shows the value of each digit. For example, 345 in expanded form is (3 x 100) + (4 x 10) + (5 x 1).

Front

How do you write 0.75 in expanded form?

Back

0.75 can be written as (7 x 0.1) + (5 x 0.01).

Front

What is the value of the digit 4 in the number 3.84?

Back

In the number 3.84, the digit 4 is in the tenths place, so its value is 4 x 0.1 or 0.4.

Front

How do you express 5.62 in expanded form?

Back

5.62 can be expressed as (5 x 1) + (6 x 0.1) + (2 x 0.01).

Front

What is the place value of the digit 3 in the number 23.456?

Back

The digit 3 is in the tenths place, so its place value is 3 x 0.1 or 0.3.

Front

How do you convert 2.5 into expanded form?

Back

2.5 can be converted to expanded form as (2 x 1) + (5 x 0.1).

Front

What is the expanded form of 7.09?

Back

The expanded form of 7.09 is (7 x 1) + (0 x 0.1) + (9 x 0.01).

Front

How do you express 1.234 in expanded form?

Back

1.234 can be expressed as (1 x 1) + (2 x 0.1) + (3 x 0.01) + (4 x 0.001).

Front

What does the term 'hundredths' refer to in decimals?

Back

Hundredths refer to the second digit to the right of the decimal point, representing parts of 100.