Rounding Numbers to the Nearest Tenth

The video tutorial explains how to round the number 49.74 to the nearest tenth. It begins by introducing the concept of rounding and the importance of place value. The tutorial then outlines the rules for rounding, emphasizing that if the digit to the right is five or above, you round up, and if it's four or below, you keep the number the same. The video applies these rules to the number 49.74, demonstrating that the final rounded number is 49.7. The tutorial concludes by reinforcing the importance of not writing digits after the tenth place when rounding to the nearest tenth.

What is the first step in rounding a number like 49.74 to the nearest tenth?

• Ignore the decimal part of the number.

• Round the number to the nearest whole number.

• Set up place value markers.

• Identify the digit in the hundredths place.

Which digit do you look at to decide whether to round up or keep the number the same?

• The digit in the hundredths place.

• The digit in the tenths place.

• The digit in the units place.

• The digit in the tens place.

If the digit to the right of the place you are rounding to is 4, what should you do?

• Add 1 to the digit in the tenths place.

• Keep the number the same.

• Round down.

• Round up.

What is the rounded value of 49.74 to the nearest tenth?

• 50.0

• 49.7

• 49.8

• 49.74

Why do we not write any digits after the tenths place when rounding to the nearest tenth?

• Because the problem specifically asks for it.

• Because it is unnecessary.

• Because the digits after the tenths place are not significant.

• Because it simplifies the number.