5.3 (D) & (F) Multiplying and Dividing Decimals with Models

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part 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 value of 0.4 in fraction form?

Back

0.4 is equivalent to 2/5.

Front

What is 0.9 x 0.4?

Back

0.9 x 0.4 = 0.36.

Front

What is the value of 0.05 in fraction form?

Back

0.05 is equivalent to 1/20.

Front

How do you divide decimals?

Back

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

Front

What is 0.3 in fraction form?

Back

0.3 is equivalent to 3/10.

Front

What is the product of 0.09 and 10?

Back

0.09 x 10 = 0.9.

Front

What is the decimal equivalent of 3/10?

Back

3/10 is equivalent to 0.3.

Front

What is 0.003 in fraction form?

Back

0.003 is equivalent to 3/1000.