Value, Place Value, Number Forms, and Comparing Numbers

What is expanded form?

• A way of writing a number that shows the value of each digit, such as 300 + 40 + 5 for 345.

• A method to convert numbers into fractions.

• A technique for rounding numbers to the nearest ten.

• A way to express numbers in scientific notation.

How do you write the number 50,000 in words?

• Fifty thousand.

• Fifty hundred.

• Five thousand.

• Fifty million.

How do you compare two numbers?

• Look at the digits from left to right; the first digit that differs determines which number is greater or smaller.

• Add the two numbers together and see which sum is larger.

• Subtract the smaller number from the larger number to find the difference.

• Count the number of digits in each number and compare them.

What is the place value of the digit 9 in the number 9,876?

• Hundreds

• Tens

• Thousands

• Units

What is the value of the digit 4 in the number 4,321?

• 4,000

• 400

• 40

• 4

What is the place value of the digit 3 in the number 3,456?

• Hundreds

• Tens

• Thousands

• Units

What is the value of the digit 6 in the number 6,543,210?

• 6,000,000

• 600,000

• 60,000

• 6,000

What is standard form?

• A way of writing numbers using words.

• A way of writing numbers using digits, such as 64,280.

• A method for calculating square roots.

• A format for writing dates.

Which is greater: 12,345 or 12,354?

• 12,345

• 12,354

• Both are equal

• 12,300

What is place value?

• Place value is the value of a digit based on its position in a number.

• Place value refers to the total value of a number regardless of its digits.

• Place value is the sum of all digits in a number.

• Place value indicates the number of digits in a number.