Rounding

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value (like ten, hundred, thousand) to make it simpler or easier to work with.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number to the nearest ten?

Back

Look at the digit in the ones place. If it is 5 or more, add 1 to the tens place and change the ones place to 0. If it is less than 5, keep the tens place the same and change the ones place to 0.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 34,567 to the nearest ten.

Back

34,570

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number to the nearest hundred?

Back

Look at the digit in the tens place. If it is 5 or more, add 1 to the hundreds place and change the tens place to 0. If it is less than 5, keep the hundreds place the same and change the tens place to 0.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 456,907 to the nearest hundred thousand.

Back

500,000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding to the nearest thousand?

Back

Look at the digit in the hundreds place. If it is 5 or more, add 1 to the thousands place and change the hundreds place to 0. If it is less than 5, keep the thousands place the same and change the hundreds place to 0.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 45,908 to the nearest thousand.

Back

46,000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is rounding up?

Back

Rounding up means increasing the number to the next higher value when the digit in the place value you are rounding to is 5 or more.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 46,078 to the nearest ten.

Back

46,080

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is rounding down?

Back

Rounding down means keeping the number the same when the digit in the place value you are rounding to is less than 5.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3