Rounding Multi-Digit Numbers Techniques

What is a vertical number line?

• A number line that is circular

• A number line that is diagonal

• A number line that goes up and down

• A number line that goes left to right

What does the word 'about' mean in the context of rounding?

• Less than

• Approximately equal to

• Greater than

• Exactly equal to

When rounding 29,547 to the nearest ten using the underlining strategy, which digit do you underline?

• 9

• 7

• 2

• 4

If the circled number is 7, do you round up or down?

• Round up

• Round down

• Both

• Neither

When rounding 29,547 to the nearest hundred, which digit do you underline?

• 4

• 5

• 9

• 2

What happens to the digits after the underlined number when rounding down?

• They turn into zeros

• They decrease by one

• They stay the same

• They increase by one

When using the vertical number line strategy, what are the two endpoints for rounding 6,745 to the nearest ten?

• 6,730 and 6,760

• 6,740 and 6,750

• 6,745 and 6,755

• 6,700 and 6,800

Where would 6,745 fall on the vertical number line when rounding to the nearest ten?

• Below the midpoint

• At the midpoint

• Above the midpoint

• At the endpoint

What is the midpoint between 6,700 and 6,800 when rounding to the nearest hundred?

• 6,750

• 6,775

• 6,725

• 6,785

When rounding 6,745 to the nearest thousand, what is the final rounded number?

• 7,000

• 6,500

• 7,500

• 6,000