The number 8,921 lies between 8,000 and 9,000.

8,500 is half way between 8,000 and 9,000.

8,921 is greater than 8,500.

So, 8,921 is closer to 9,000 than to 8,000.

So, the number 8,921, rounded to the nearest thousand, is 9,000.

The number 411 is between 400 and 500.

The number 411 is closer to 400 than to 500.

So, the number 411 rounded to the nearest hundred is 400.

The amount spent by Justin and Arthur at Disney World is $232.

The number 232 is between 200 and 300. 232 is closer to 200 than to 300.

So, the amount $232 rounded to the nearest hundred is $200.

The number 4767 is between 4000 and 5000.

The number 4767 is closer to 5000 than to 4000.

So, the number 4767 rounded to the nearest thousand is 5000.

The product was sold at a price of $6171.

The number 6171 is between 6,000 and 7,000.

The number 6171 is closer to 6,000 than to 7,000.

So, the price of the product $6171 rounded to the nearest thousand is $6,000.

The number of heart patients in a country was 3243.

The number 3243 is between 3240 and 3250.

The number 3243 is closer to 3240 than to 3250.

So the number of heart patients 3243 rounded to the nearest ten is 3240.

The number 454 is between 450 and 460.

The number 454 is closer to 450 than to 460.

So, the number 454 rounded to the nearest ten is 450.

Represent 50 on a number line as shown.

50 is halfway between 0 and 100.

As 50 is halfway between 0 and 100, round it to the greater number, 100.

So, 50 rounded to the nearest hundred is 100.

The number 620 is between the numbers 600 and 700.

Note the digit in the tens place of the number.

If the digit in the tens place is less than 5, round down to 600. If the digit is greater than or equal to 5, then round up to 700.

As 2 < 5, round up 620 to 600.

So, rounding 620 to the nearest hundred gives us 600.

The number 4232 is between the numbers 4000 to 5000.

Note the digit in the hundreds place of the number.

If the digit in the hundreds place is less than 5, round down to 4000. If the digit is greater than or equal to 5, then round up to 5000.

As 2 < 5, round down 4232 to 4000.

So, rounding 4232 to the nearest thousand gives us 4000.

The number 3400 is between the numbers 3000 and 4000.

Note the digit in the hundreds place of the number.

If the digit in the hundreds place is less than 5, round down to 3000. If the digit is greater than or equal to 5, then round up to 4000.

As 4 < 5, round down 3400 to 3000.

So, rounding 3400 to the nearest thousand gives us 3000.

The number 5588 is between the numbers 5500 and 5600.

Note the digit in the tens place of the number.

If the digit in the tens place is less than 5, round down to 5500. If the digit is greater than or equal to 5, then round up to 5600.

As 8 > 5, round down 5588 to 5600.

So, rounding 5588 to the nearest hundreds gives us 5600.

The number 3666 is between the numbers 3000 and 4000.

Note the digit in the hundreds place of the number.

If the digit in the hundreds place is less than 5, round down to 3000. If the digit is greater than or equal to 5, then round up to 4000.

As 6 > 5, round up 3666 to 4000.

So, rounding 3666 to the nearest thousand gives us 4000.

The number 614 is between the numbers 600 and 700.

Note the digit in the tens place of the number.

If the digit in the tens place is less than 5, round down to 600. If the digit is greater than or equal to 5, then round up to 700.

As 1 < 5, round down 614 to 600.

So, rounding 614 to the nearest hundred gives us 600.

The number 936 is between 930 and 940.

The number 936 is closer to 940 than to 930.

So, 936 rounded to the nearest ten is 940.