Multiplying and Dividing Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It represents a part of a whole number, using a dot (.) to separate the whole number from the fractional part.

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers. Then, count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the product of 14.5 and 1.24?

Back

17.98

Front

How do you divide decimals?

Back

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

Front

What is 1.215 ÷ 0.09?

Back

13.5

Front

What does it mean to convert to the same form in math?

Back

Converting to the same form means changing numbers or fractions so they have a common format, making it easier to perform operations like addition or subtraction.

Front

If a full bag of cashews weighs 5.8 ounces, how much does 3/4 of a bag weigh?

Back

4.35 ounces

Front

What is the formula to find the total amount of sugar needed if you know the amount per gallon?

Back

Total sugar = Amount of sugar per gallon × Number of gallons.

Front

How much sugar does Julie use for 4.5 gallons of tea if she adds 3/4 cup per gallon?

Back

3.375 cups of sugar.

Front

What is the result of 72 ÷ 0.09?

Back

800