Rounding Numbers Concepts

The video tutorial explains how to round numbers to the nearest hundreds and tens. It introduces a mnemonic to help remember the rules: 'Five or more, raise the score; four or less, let it rest.' The tutorial demonstrates rounding a number to the hundreds by examining the digit to the right and deciding whether to round up or keep the number the same. It then applies the same method to round a number to the tens, providing clear examples for each case.

What is the rule for rounding numbers when the digit to the right is five or more?

• Decrease the target digit by one

• Raise the target digit by one

• Keep the target digit the same

• Replace the target digit with zero

If you are rounding the number 4378 to the nearest hundred, what will it become?

• 4200

• 4300

• 4400

• 4500

Which of the following numbers rounds to 4300 when rounded to the nearest hundred?

• 4250

• 4310

• 4350

• 4299

When rounding to the tens, what should you do if the digit to the right is less than five?

• Keep the tens digit the same

• Increase the tens digit by one

• Replace the tens digit with zero

• Decrease the tens digit by one

What is the result of rounding 5235 to the nearest ten?

• 5230

• 5220

• 5240

• 5250