Rounding Numbers and Rules

This lesson teaches how to round numbers to the nearest 100. It explains the process of identifying the hundreds place and using the digit to the right to determine whether to round up or stay the same. Several examples are provided, including rounding 473, 2527, and 5991, to illustrate the rules and ensure understanding.

What is the first step in rounding a number to the nearest 100?

• Identify the tens place

• Identify the hundred's place

• Identify the unit's place

• Identify the thousand's place

If the number to the right of the hundred's place is 3, what should you do?

• Ignore the number

• Round up the hundred's place

• Round down the hundred's place

• Keep the hundred's place the same

What happens if the number to the right of the hundred's place is 7?

• The hundred's place stays the same

• The hundred's place goes up

• The number is rounded to zero

• The hundred's place goes down

What is the general rule for rounding when the number to the right is between 0 and 4?

• Round up

• Round down

• Ignore the number

• Keep the number the same

What is the general rule for rounding when the number to the right is between 5 and 9?

• Ignore the number

• Keep the number the same

• Round down

• Round up

When rounding 473 to the nearest 100, what is the result?

• 500

• 400

• 450

• 550

Why is 473 rounded to 500?

• Because 473 is exactly in the middle

• Because 473 is closer to 500

• Because 473 is closer to 600

• Because 473 is closer to 400

In the example of rounding 473, what is the number to the right of the hundred's place?

• 7

• 5

• 4

• 3

What is the result of rounding 2527 to the nearest 100?

• 2400

• 2700

• 2600

• 2500

Why does 2527 round to 2500?

• Because 2527 is closer to 2400

• Because 2527 is closer to 2500

• Because 2527 is closer to 2600

• Because 2527 is exactly in the middle