8th Estimating, Rounding, Place Value

Front

What is estimating in mathematics?

Back

Estimating is the process of finding an approximate value that is close to the actual value, often used when exact calculations are not necessary.

Front

What does rounding mean?

Back

Rounding is the process of adjusting a number to a nearby specified value, often to make calculations easier.

Front

What is place value?

Back

Place value is the value of a digit based on its position within a number, determining its contribution to the overall value.

Front

How do you round a number to the nearest ten?

Back

Look at the digit in the ones place. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is 0.63 as a fraction?

Back

0.63 can be expressed as 63/100.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100.

Front

What is 37% as a decimal?

Back

.37

Front

How do you round 185,340 to the nearest ten-thousand?

Back

185,340 rounded to the nearest ten-thousand is 190,000.

Front

What is 99.0829 rounded to the nearest thousandth?

Back

99.0829 rounded to the nearest thousandth is 99.083.

Front

What is 87.672 rounded to the nearest hundredth?

Back

87.672 rounded to the nearest hundredth is 87.67.