Multiplying Decimals Models

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with 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 does the shaded portion of a model represent in decimal multiplication?

Back

The shaded portion represents the product of the two decimal numbers being multiplied.

Front

What is the product of 5 and 0.18?

Back

0.9

Front

What does the color blue represent in a decimal multiplication model?

Back

The color blue represents the product of the two decimal numbers in the model.

Front

What is 2 x 0.3?

Back

0.6

Front

What is the value of 0.02 in hundredths?

Back

0.02 is equal to 2 hundredths.

Front

What is the equation that matches the model showing 3 x 0.2?

Back

3 x 0.2 = 0.6

Front

How do you represent 1.65 in decimal form?

Back

1.65 is represented as one whole and sixty-five hundredths.

Front

What is the first step in multiplying decimals?

Back

The first step is to ignore the decimal points and multiply the numbers as if they were whole numbers.