Rounding Decimals on the Number Line

The video tutorial explains how to round numbers using a number line. It covers rounding 12.5 to the nearest ten, 0.136 to the nearest hundredth, 44.197 to the nearest whole number, and decimals to the nearest thousandth. The tutorial emphasizes understanding rounding rules and visualizing them on a number line to determine which number a given value is closest to.

What is 12.5 rounded to the nearest ten?

• 10

• 12

• 20

• 13

If a number is closer to 20 than to 10 on a number line, to which nearest ten would it round?

• 20

• 15

• 25

• 10

On a number line, if a point is between 10 and 20, which ten is it nearest to if closer to 10?

• 20

• 12

• 15

• 10

What is 0.136 rounded to the nearest hundredth?

• 0.136

• 0.13

• 0.14

• 0.15

To round a number to the nearest hundredth, you look at which place?

• Thousandths

• Tenths

• Hundredths

• Ones

When rounding to the nearest hundredth, what is the significance of the thousandths place?

• It is the same as rounding to the nearest ten

• It determines if you round up or down

• It is ignored

• It changes the value to the nearest ten

What is 44.197 rounded to the nearest whole number?

• 44

• 45

• 44.1

• 44.2

Which is closer to 44.197, 44 or 45?

• Cannot be determined

• Both are equally close

• 45

• 44

What is the value of A rounded to the nearest thousandth?

• 0.077

• 0.078

• 0.079

• 0.08

If A is closer to eight hundredths than to seven hundredths, what is A rounded to the nearest hundredth?

• 0.07

• 0.08

• 0.079

• 0.078