Rounding Numbers

Front

What does it mean to round a number?

Back

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

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten for the number 194?

Back

190

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest hundred for the number 773?

Back

800

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten for the number 432?

Back

430

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest hundred for the number 556?

Back

600

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Which number rounds to 300 when rounded to the nearest hundred?

Back

251

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

When rounding to the nearest ten, what digit do you look at?

Back

You look at the ones digit (the last digit) to decide whether to round up or down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

If the ones digit is 5 or more, what do you do when rounding to the nearest ten?

Back

You round up the tens digit by 1.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

If the ones digit is less than 5, what do you do when rounding to the nearest ten?

Back

You keep the tens digit the same and change the ones digit to 0.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding to the nearest hundred?

Back

Look at the tens digit: if it's 5 or more, round up; if it's less than 5, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3