Rounding- 4th

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was. It often involves increasing or decreasing the number to the nearest specified place value.

Front

How do you round a number to the nearest thousand?

Back

To round a number to the nearest thousand, look at the hundreds digit. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is the rule for rounding to the nearest hundred?

Back

To round to the nearest hundred, examine the tens digit. If it is 5 or more, round up; if it is less than 5, round down.

Front

How do you round a number to the nearest hundred thousand?

Back

To round to the nearest hundred thousand, check the ten-thousands digit. If it is 5 or more, round up; if it is less than 5, round down.

Front

What is the nearest ten thousand for the number 49,545?

Back

The nearest ten thousand for 49,545 is 50,000, as the thousands digit (9) is 5 or more.

Front

How do you find the total number of items when given two groups?

Back

To find the total number of items in two groups, simply add the quantities of both groups together.

Front

What is the total number of children attending a game if there are 334 boys and 276 girls?

Back

The total number of children attending the game is 610, which rounds to 600 when rounded to the nearest hundred.

Front

What is the significance of place value in rounding?

Back

Place value determines which digit to look at when rounding. It helps in deciding whether to round up or down based on the digit immediately to the right.

Front

What is the process of rounding 6,978 to the nearest hundred?

Back

To round 6,978 to the nearest hundred, look at the tens digit (7). Since it is 5 or more, round up to 7,000.

Front

What is the difference between rounding up and rounding down?

Back

Rounding up increases the number to the next higher value, while rounding down decreases it to the next lower value based on the rounding rules.