Blacklight Review

Front

What is rounding 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. It often involves increasing or decreasing the last digit based on the value of the digit to its right.

Front

How do you round a decimal number to the nearest whole number?

Back

To round a decimal number to the nearest whole number, look at the digit in the tenths place. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is a mixed fraction?

Back

A mixed fraction is a combination of a whole number and a proper fraction, such as 3 1/2.

Front

How do you convert a mixed fraction to an improper fraction?

Back

To convert a mixed fraction to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is place value?

Back

Place value is the value of a digit based on its position within a number. For example, in the number 0.555, the digit 5 in the tenths place has a place value of 0.5.

Front

What is the place value of the digit in the tenths position?

Back

The place value of the digit in the tenths position is one-tenth, or 0.1.

Front

How do you compare decimal numbers?

Back

To compare decimal numbers, align them by the decimal point and compare digit by digit from left to right until a difference is found.

Front

What is the largest decimal among a set of decimals?

Back

The largest decimal is the one with the highest value when compared digit by digit, starting from the left.

Front

How do you express a decimal in words?

Back

To express a decimal in words, say the whole number part, followed by 'and', then say the decimal part as a fraction. For example, 89.023 is expressed as 'eighty-nine and twenty-three thousandths'.

Front

What is a decimal?

Back

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