Multiplying Decimals using Area 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 using area models?

Back

You can multiply decimals by creating a rectangle (area model) where one side represents one decimal and the other side represents the other decimal. The area of the rectangle gives the product.

Front

What is the product of 0.4 and 0.6?

Back

0.4 x 0.6 = 0.24

Front

What does the area model for 0.2 x 0.4 look like?

Back

A rectangle divided into sections representing 0.2 and 0.4, showing that the area is 0.08.

Front

What is the first step in multiplying decimals?

Back

Convert the decimals to fractions if needed, or visualize them using an area model.

Front

What is the product of 1.2 and 5.13?

Back

1.2 x 5.13 = 6.156

Front

How do you find the area of a rectangle in an area model?

Back

Multiply the length by the width.

Front

What is the significance of the decimal point in multiplication?

Back

The decimal point determines the placement of the decimal in the product based on the total number of decimal places in the factors.

Front

What is the product of 0.3 and 0.8?

Back

0.3 x 0.8 = 0.24

Front

How do you represent 0.04 x 0.06 in an area model?

Back

Create a small rectangle where one side is 0.04 and the other side is 0.06, showing the area as 0.0024.