Comparing and Expanding Numbers

The video tutorial introduces the place value system for 4-digit numbers, explaining the concept of periods and how to use a place value chart. It covers writing numbers in expanded form and comparing numbers to determine which is greater or smaller. The tutorial includes examples and practice problems to reinforce learning.

What is the smallest 4-digit number?

• 9999

• 1000

• 999

• 1001

What happens when you add 1 to 999?

• It becomes 1000

• It becomes 1001

• It remains 999

• It becomes 9999

What is the greatest 4-digit number?

• 9999

• 10000

• 9990

• 1000

How many periods are there in the place value chart?

• Three

• Two

• Four

• One

Which place values are included in the 'ones' period?

• Ones, Tens, Hundreds

• Tens, Hundreds, Thousands

• Hundreds, Thousands

• Thousands, Ten Thousands

In the number 5432, what is the place value of 5?

• Thousands

• Ones

• Hundreds

• Tens

How do you write 3248 in expanded form?

• 3000 + 200 + 40 + 8

• 300 + 20 + 4 + 8

• 3000 + 20 + 48

• 324 + 8

What does comparing numbers help us determine?

• The sum of numbers

• The difference between numbers

• Which number is greater or smaller

• The product of numbers

Which symbol represents 'greater than'?

• =

• ≠

• >

• <

If two numbers have the same number of digits, how do you compare them?

• Compare from the right

• Compare from the left

• Add them

• Subtract them