Unit 2 Review

Front

What is a mile?

Back

A mile is a unit of length in the imperial system, equal to 5,280 feet.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add each column, carrying over if necessary.

Front

What is the value of 2.76 in terms of ones, tenths, and hundredths?

Back

2.76 can be expressed as 2 ones + 7 tenths + 6 hundredths.

Front

What does 'total distance' mean in a running event?

Back

Total distance refers to the complete length covered by a runner, including all segments of the run.

Front

How do you convert miles to tenths?

Back

To convert miles to tenths, multiply the number of miles by 10.

Front

What is the sum of 2.76 miles and 0.4 miles?

Back

The sum is 3.16 miles.

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.

Front

What is the importance of understanding place value in decimals?

Back

Place value helps determine the value of each digit in a decimal number, which is crucial for accurate calculations.

Front

What does 'rounding' mean in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

Front

What is a number line?

Back

A number line is a visual representation of numbers on a straight line, used to illustrate numerical relationships.