Rounding Numbers to the Leading Digit Using a Number Line

This video tutorial teaches how to round numbers to the leading digit using a number line. It explains the concept of leading digits, benchmarks, and midpoints, and how they help in rounding. The tutorial also highlights common mistakes students make, such as misinterpreting increments on a number line. Practical examples are provided to demonstrate rounding numbers to the nearest benchmark, emphasizing the importance of understanding midpoints. By the end of the lesson, students will be able to round numbers accurately using these concepts.

What is the leading digit in the number 5,924?

• 5

• 9

• 4

• 2

When using a number line, what do the increments between benchmark numbers represent?

• Counting by hundreds

• Counting by tens

• Counting by the difference between benchmarks

• Always counting by ones

Which of the following numbers would round down to 4,000 when rounding to the leading digit?

• 4,392

• 5,392

• 3,392

• 4,500

If a number is exactly at the midpoint on a number line, what should you do?

• Round up

• Round down

• Stay the same

• Round to the nearest even number

What is the midpoint between the benchmark numbers 5,000 and 6,000?

• 6,000

• 5,750

• 5,500

• 5,250

How would you round 33,786 to the nearest 10,000?

• 30,000

• 33,000

• 40,000

• 35,000

What is the rounded value of 752,083 to the nearest 100,000?

• 850,000

• 700,000

• 800,000

• 750,000