5.3D Representing Decimal Multiplication

Front

What is decimal multiplication?

Back

Decimal multiplication is the process of multiplying numbers that have decimal points, which involves aligning the numbers and multiplying as if they were whole numbers, then placing the decimal point in the product.

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there is no decimal, then count the total number of decimal places in the decimal and place the decimal point in the product accordingly.

Front

What is the product of 0.5 and 0.2?

Back

0.5 x 0.2 = 0.1

Front

What does the model represent when multiplying decimals?

Back

The model visually represents the area or quantity that results from multiplying two decimal numbers, helping to understand the size of the product.

Front

What is the equation for the model showing 0.45?

Back

The equation is 0.9 x 0.5 = 0.45.

Front

How do you represent 3 x 0.8 using a model?

Back

You can represent 3 x 0.8 by showing three groups of 0.8, which visually demonstrates the total area or quantity.

Front

What is the product of 0.9 and 0.3?

Back

0.9 x 0.3 = 0.27

Front

What is the significance of the decimal point in multiplication?

Back

The decimal point indicates the value of the number; its position in the product is determined by the total number of decimal places in the factors.

Front

What is the product of 0.6 and 3?

Back

0.6 x 3 = 1.8

Front

How do you convert a multiplication problem into an equation?

Back

You can convert a multiplication problem into an equation by writing it in the form of 'factor x factor = product'.