Lesson 8 Review 2021-2022

Front

What is expanded notation?

Back

Expanded notation is a way of writing numbers to show the value of each digit. It breaks down a number into the sum of each digit multiplied by its place value.

Front

How do you write the number 7,802 in expanded notation?

Back

(7 x 1000) + (8 x 100) + (2 x 1)

Front

What is the expanded form of the decimal 5.021?

Back

(5 x 1) + (2 x 1/100) + (1 x 1/1000)

Front

How do you express the decimal 'seven and fifty-four thousandths' in numerical form?

Back

6.054

Front

What is the expanded form of the number 39.02?

Back

(3 x 10) + (9 x 1) + (2 x 0.01)

Front

How do you convert 'four and sixty-five hundredths' into numerical form?

Back

4.65

Front

What is the place value of the digit 8 in the number 7,802?

Back

The place value of the digit 8 in 7,802 is 800 (or 8 x 100).

Front

What does the term 'decimal' refer to in mathematics?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, typically represented with a decimal point.

Front

How do you express the number 0.75 in expanded form?

Back

(7 x 0.1) + (5 x 0.01)

Front

What is the value of the digit 2 in the decimal 39.02?

Back

The value of the digit 2 in 39.02 is 0.02 (or 2 x 0.01).