place value and rounding

What is 1/10 of 900?

• 70

• 80

• 90

• 100

What is the value of the digit 3 in the number 3,456?

• hundreds

• thousands

• tens

• ones

What is the value of the digit 9 in the number 9,000?

• hundreds

• thousands

• ten thousands

• units

Round 406 to the nearest hundred.

• 300

• 400

• 500

• 350

Round 326 to the nearest ten.

• 320

• 325

• 330

• 340

What is the value of the digit 5 in the number 5,678?

• hundreds

• tens

• thousands

• ones

What is the value of the underlined digit in 4321?

• hundreds

• thousands

• tens

• ones

What is the value of the digit 6 in the number 6,789?

• hundreds

• thousands

• tens

• units

What is rounding?

• Rounding is the process of adjusting a number to make it simpler while keeping its value close to what it was.

• Rounding is the method of increasing a number to the nearest whole number.

• Rounding is the technique of removing decimal points from a number.

• Rounding is the process of estimating a number to its highest value.

How do you round a number to the nearest ten?

• Look at the digit in the tens place and round up if it's 5 or more.

• Look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

• Always round down to the nearest ten regardless of the ones place.

• Round up if the number is odd, and round down if it is even.