Rounding Whole Numbers

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.

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Front

What does it mean to round a number to the nearest thousand?

Back

Rounding a number to the nearest thousand means adjusting the number to the closest multiple of 1,000.

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Front

How do you determine which way to round a number?

Back

If the digit to the right of the rounding place is 5 or greater, you round up. If it is less than 5, you round down.

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Front

What is the place value of the digit in the thousands place?

Back

The thousands place is the fourth digit from the right in a whole number.

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CCSS.4.NBT.A.1

Front

Round 45,678 to the nearest hundred.

Back

46,000

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Front

What is the rule for rounding numbers that end in 5?

Back

When rounding numbers that end in 5, you typically round up to the next whole number.

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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.

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Front

Round 89,999 to the nearest ten thousand.

Back

90,000

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Front

What is the significance of the digit in the tens place when rounding to the nearest hundred?

Back

The digit in the tens place determines whether you round the hundreds place up or keep it the same.

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Front

How do you round 123,456 to the nearest hundred thousand?

Back

You round it to 100,000 because the digit in the hundred thousands place (1) is followed by a 2, which is less than 5.

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