Mastering Decimal Operations Flashcard

Front

Back

Front

Back

Front

Back

Front

Back

Front

Back

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 do you multiply decimals?

Back

Multiply the numbers as if they were whole numbers, then count the total number of decimal places in both factors and place the decimal point in the product accordingly.

Front

What is the process of dividing decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number, then move the decimal point in the dividend the same number of places and divide as usual.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby specified value, typically to make it simpler or to fit a certain level of precision.

Front

What is the rule for rounding to the nearest tenth?

Back

Look at the hundredths place; if it is 5 or greater, round up the tenths place by one. If it is less than 5, keep the tenths place the same.