Number Line Rounding

When a number is above the midpoint, it will  ______.

• round down
• round up
• stay the same

When a number is below the midpoint, it will  _____ .

• round up
• round down
• stay the same

Why do we use a vertical number line to round numbers?

• Vertical numbers lines put the numbers in order
• Vertical number lines help us see the place values
• Vertical number lines give up practice with number lines
• Vertical number lines tell us what the number equals

What will be the upper endpoint for 63,456 if we are rounding to the nearest thousand? 

• 64,000
• 63,000
• 70,000
• 60,000

What will be the lower endpoint for 63,456 if we are rounding to the nearest thousand? 

• 64,000
• 63,000
• 70,000
• 60,000

What we need to label when using a vertical number line to round numbers?

• Upper endpoint, lower endpoint, and midpoint
• Midpoint only
• Every number between the upper and lower endpoints
• Upper endpoint, lower endpoint, midpoint, and zero

What will be the upper endpoint for 63,456 if we are rounding to the nearest ten thousand? 

• 64,000
• 63,000
• 70,000
• 60,000

What will be the lower endpoint for 63,456 if we are rounding to the nearest ten thousand? 

• 64,000
• 63,000
• 70,000
• 60,000

Check the pattern: When using a vertical number line to round, the midpoint will always be a multiple of _____.

• 0
• 5
• 10
• 1

True or false? When rounding, 
When a number is rounded, the value and place you are rounding to determines if you round up or down.

• True
• False