Multiplying Decimals with Models

Front

What is a decimal?

Back

A decimal is a number that has a whole part and a fractional part, separated by a decimal point. For example, 0.5 is a decimal.

Front

How do you multiply decimals?

Back

To multiply decimals, first 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 term 'product' mean in multiplication?

Back

The product is the result of multiplying two or more numbers together.

Front

What is the value of 0.4 x 0.3?

Back

0.4 x 0.3 = 0.12.

Front

How can models help in understanding multiplication of decimals?

Back

Models visually represent the multiplication process, making it easier to see how parts of the whole combine to form a product.

Front

What is the equation for 1.6 x ___ = 0.48?

Back

1.6 x 0.3 = 0.48.

Front

What does it mean to represent a product with color in a model?

Back

Using color in a model helps to visually distinguish the product from the factors being multiplied.

Front

If you have 3 groups of 0.4, how do you express this in an equation?

Back

You can express this as 3 x 0.4.

Front

What is the relationship between multiplication and area models?

Back

Area models show how the dimensions of a rectangle (length and width) can represent the factors being multiplied, illustrating the product as the area.

Front

What is the decimal equivalent of 17 x 0.3?

Back

17 x 0.3 = 5.1.