Rounding Whole Numbers Explained

This video tutorial explains the concept of rounding whole numbers, a common practice in everyday life. It covers the procedure for rounding numbers to a specific place, such as tens, hundreds, or millions, and provides multiple examples to illustrate the process. The video also addresses scenarios where carrying is necessary when rounding. By the end, viewers will understand how to round numbers accurately and apply this skill in various contexts.

Why do we use approximations in everyday life?

• To confuse others

• To make calculations more complex

• To provide exact values

• To simplify and communicate values easily

What is the first step in the rounding process?

• Add 1 to the digit in the round off place

• Find the digit in the round off place

• Replace every digit with zero

• Move two digits to the right

If the digit to the right of the round off place is 4 or less, what should you do?

• Move to the next digit

• Replace the digit with 9

• Leave the digit in the round off place unchanged

• Add 1 to the digit in the round off place

What happens if the digit to the right of the round off place is 5 or greater?

• Replace the digit with 5

• Subtract 1 from the digit in the round off place

• Leave the digit in the round off place unchanged

• Add 1 to the digit in the round off place

Round 637 to the nearest hundred.

• 600

• 700

• 640

• 630

Round 1241 to the nearest ten.

• 1250

• 1240

• 1300

• 1200

Round 5,633,154 to the nearest million.

• 5,700,000

• 5,000,000

• 6,000,000

• 5,600,000

Round 7,242,618 to the nearest hundred thousand.

• 7,250,000

• 7,300,000

• 7,240,000

• 7,200,000

What should you do if adding 1 to the digit in the round off place results in a carry?

• Carry over to the next place value

• Replace the digit with 9

• Ignore the carry

• Subtract 1 from the digit

Round 6,304,918,753,147 to the nearest ten billion.

• 6,310,000,000,000

• 6,305,000,000,000

• 6,300,000,000,000

• 6,304,000,000,000