Ms. Brown's Rounding Whole Numbers Flashcard

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value (like tens, hundreds, etc.) to make it simpler while keeping it close to the original value.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the tens place in the number 45?

Back

The tens place in the number 45 is 4.

Tags

CCSS.4.NBT.A.1

Front

What is the rule for rounding up?

Back

If the digit to the right of the place value you are rounding to is 5 or greater, you round up.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding down?

Back

If the digit to the right of the place value you are rounding to is less than 5, you round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 45 to the tens place.

Back

50

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 387 to the hundreds place.

Back

400

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the hundreds place in the number 387?

Back

The hundreds place in the number 387 is 3.

Tags

CCSS.4.NBT.A.1

Front

Round 2,001 to the thousands place.

Back

2,000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the thousands place in the number 2,001?

Back

The thousands place in the number 2,001 is 2.

Tags

CCSS.4.NBT.A.1

Front

Round 459 to the tens place.

Back

460

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3