Unit 6 Interim Review

Front

What is expanded form?

Back

Expanded form is a way of writing numbers that shows the value of each digit. For example, 327.38 in expanded form is (3 x 100) + (2 x 10) + (7 x 1) + (3 x 0.1) + (8 x 0.01).

Front

How do you write a number in standard form from expanded form?

Back

To write a number in standard form from expanded form, you combine the values of each part. For example, (5x10)+(3x1)+(8x1/10) equals 53.8.

Front

What does it mean to compare decimal numbers?

Back

Comparing decimal numbers means determining which number is greater, less than, or equal to another. For example, 4.01 < 4.10 means 4.01 is less than 4.10.

Front

How do you compare two decimal numbers?

Back

To compare two decimal numbers, start from the left and compare each digit until you find a difference. For example, to compare 25.07 and 25.70, look at the hundredths place.

Front

What is the value of the digit 5 in the number 654.86?

Back

In the number 654.86, the digit 5 is in the tens place, so its value is 50.

Front

What is the value of the digit 8 in the number 654.86?

Back

In the number 654.86, the digit 8 is in the tenths place, so its value is 0.8.

Front

How do you write 327.38 in expanded form?

Back

327.38 in expanded form is (3 x 100) + (2 x 10) + (7 x 1) + (3 x 0.1) + (8 x 0.01).

Front

What is the standard form of (5x10)+(3x1)+(8x1/10)?

Back

The standard form of (5x10)+(3x1)+(8x1/10) is 53.8.

Front

Which is greater: 4.33 or 4.37?

Back

4.37 is greater than 4.33.

Front

What is the correct comparison of 25.07 and 25.70?

Back

25.07 < 25.70.