Place Value: Rounding

What is rounding?

• making a number simpler but keeping its value close to what it was

• taking a number and rounding it

• Make it round

• Add the number by 10

What number is being shown?

• 300

• 310

• 312

• 302

What place is digit 4 in in the number 142,368,970

• millions place

• ten millions place

• thousands place

• hundred millions place

What are the steps in rounding?

• 1. Look to the right. 2. Five or more, let it soar. 3. Four or less, let it rest.

• 1. Find the place value you are rounding in. 2. Look to the right. 3. Five or more, let it rest. Four or less, let it soar.

• 1. Find the place value you are rounding in. 2. Look to the right of that number. 3. Five or more, let it rest. Four or less, let it soar. 4. Replace the rest of the numbers with zeros.

• 1. Find the place value you are rounding in. 2. Look to the right of that number. 3. Five or more, let it soar. Four or less, let it rest. 4. Replace the rest of the numbers with zeros.

What do you do when rounding to the nearest ten?

• Round to the nearest multiple of ten. For example, 10, 20, 30, 40, 50 and so on.

• Round down to the nearest ten.

• Round up to the nearest ten.

• All of the answers are correct.

What do you do when rounding to the nearest hundred?

• Round to the nearest multiple of hundred. For example, 100, 200, 300, 400, 500 and so on.

• Round down to the nearest hundred.

• Round up to the nearest hundred.

• All of the answers are correct.

What is place value?

• The place of a value.

• The value of a digit in a number.

• Valuing a place, not a digit

Using Rounding rules, answer whether the digit is 4 or less or 5 or more. Digit- 2

• 4 or less, let it rest.

• 5 or more let it soar

Using Rounding rules, answer whether the digit is 4 or less or 5 or more.

Digit- 4

• 4 or less, let it rest.

• 5 or more let it soar

Using Rounding rules, answer whether the digit is 4 or less or 5 or more.

Digit- 7

• 4 or less, let it rest.

• 5 or more let it soar