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 as you would whole numbers, 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 the term 'total distance' mean?

Back

Total distance refers to the complete length of a path traveled, combining all segments of the journey.

Front

If Lauren runs 2.76 miles and then 0.4 miles, how do you find the total distance?

Back

You add the two distances: 2.76 + 0.4 = 3.16 miles.

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 is a decimal?

Back

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

Front

How can you convert 0.4 to a fraction?

Back

0.4 can be converted to a fraction as 4/10, which simplifies to 2/5.

Front

What is the difference between a whole number and a decimal?

Back

Whole numbers are non-negative numbers without fractions or decimals, while decimals include fractions of whole numbers.

Front

What does 'rounding' mean in mathematics?

Back

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