Retest CBA 1 Place Value and Number Operations

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers using digits, where each digit has a specific place value. For example, 8,346,354,242 is in standard form.

Front

How do you write a large number in standard form?

Back

To write a large number in standard form, identify the digits and their place values, then arrange them according to their value.

Front

What is the largest 8-digit number you can create using the digits 1, 5, 6, 3, 4, 7, 9, 2, 8?

Back

The largest 8-digit number is 98,765,432.

Front

What does the bold digit represent in the number 4428,500?

Back

The bold digit (4) represents a value that is 10 times greater than the value of the underlined digit (4).

Front

What is expanded notation?

Back

Expanded notation is a way of writing numbers to show the value of each digit. For example, 31,420 can be written as (3x10,000) + (1x1,000) + (4x100) + (2x10).

Front

How do you convert expanded notation to standard form?

Back

To convert expanded notation to standard form, add the values together. For example, (3x10,000) + (2x10) + (1x1,000) + (4x100) = 31,420.

Front

What does it mean to order numbers from least to greatest?

Back

Ordering numbers from least to greatest means arranging them in ascending order, starting with the smallest number.

Front

What is the value of the digit 4 in the number 428,500?

Back

The value of the digit 4 in 428,500 is 40,000.

Front

How do you identify the place value of a digit in a number?

Back

To identify the place value of a digit, look at its position in the number. For example, in 428,500, the 4 is in the ten-thousands place.

Front

What is the difference between standard form and expanded form?

Back

Standard form is a compact way of writing numbers, while expanded form breaks down the number into the sum of its place values.