Rounding Numbers and Their Rules

The video tutorial explains how to round numbers to different place values, including hundredths, thousandths, tens, and tenths. It provides step-by-step instructions on identifying the relevant digit and determining whether to round up or down based on the digit to the right. The tutorial emphasizes the importance of not adding unnecessary zeros and highlights the impact of rounding on the overall value of the number.

When rounding to the hundredths place, which digit determines if you round up or down?

• The digit in the thousandths place

• The digit to the right of the hundredths place

• The digit in the tenths place

• The digit in the hundredths place

If the digit to the right of the hundredths place is 7, what should you do?

• Add a zero

• Keep the number the same

• Round up

• Round down

What is the rounded value of 15.657 to the thousandths place?

• 15.66

• 15.657

• 15.658

• 15.67

When rounding to the thousandths place, what does a digit of 2 to the right indicate?

• Round up

• Round down

• Add a zero

• Increase by one

In rounding to the tens place, what is the significance of the digit to the right being 5?

• It means you keep the number the same

• It means you add a zero

• It means you round up

• It means you round down

What is the rounded value of 15.6 to the tens place?

• 25

• 10

• 15

• 20

Why is a zero added when rounding to the tens place?

• Because it is to the left of the decimal

• To make the number even

• To maintain the value

• To indicate rounding to a different place

When rounding to the tenths place, what does a digit of 5 to the right indicate?

• Add a zero

• Keep the number the same

• Round up

• Round down

What is the rounded value of 15.66 to the tenths place?

• 15.6

• 15.7

• 15.67

• 15.65

What happens to the digits to the right when rounding to the tenths place?

• They are decreased

• They are removed

• They are left unchanged

• They are increased