Comparing and Ordering Numbers

The video tutorial teaches first graders how to order numbers on an open number line using place value. It explains the concepts of least and greatest numbers and demonstrates how to compare numbers by examining their place values. The tutorial provides examples of ordering numbers from least to greatest and greatest to least, emphasizing the importance of starting with the largest place value. Students learn to use place value blocks and drawings to visualize and compare numbers effectively.

What does the term 'least' refer to when ordering numbers?

• The largest number

• The middle number

• The smallest number

• The average number

What is the purpose of a number line?

• To add numbers

• To multiply numbers

• To subtract numbers

• To order numbers

How does place value help us with numbers?

• It helps us add numbers

• It helps us find a digit's value

• It helps us subtract numbers

• It helps us divide numbers

In the number 81, what is the value of the digit 8?

• 8

• 80

• 800

• 8000

What is the value of the digit 2 in the number 23?

• 2000

• 2

• 20

• 200

How many tens are there in the number 93?

• 9

• 8

• 7

• 10

Which number is greater: 93 or 73?

• 73

• 93

• Both are equal

• Cannot be determined

If two numbers have the same tens place, what should you compare next?

• Tens place again

• Thousands place

• Ones place

• Hundreds place

Which number is greater: 87 or 84?

• Cannot be determined

• Both are equal

• 84

• 87

What is the order from least to greatest for the numbers 65, 73, and 42?

• 73, 65, 42

• 42, 65, 73

• 65, 42, 73

• 73, 42, 65