Decimal 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

What does the decimal 0.9 represent?

Back

0.9 represents nine-tenths, or 9 out of 10 parts.

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 product of 0.9 and 0.4?

Back

The product of 0.9 and 0.4 is 0.36.

Front

What does the equation 1.8 x 4 represent?

Back

The equation 1.8 x 4 represents multiplying 1.8 by 4, which equals 7.2.

Front

What is the meaning of shaded parts in a decimal model?

Back

Shaded parts in a decimal model represent the portion of the whole that is being considered or calculated.

Front

What is the equation represented by shaded parts showing 0.80 x 0.40?

Back

The equation represented is 0.80 x 0.40 = 0.32.

Front

How do you find the cost per item if you know the total cost and the number of items?

Back

You divide the total cost by the number of items.

Front

What is the expression to find the amount of money Terry spent for each package of gum if he spent $2.25 for 5 packages?

Back

The expression is 2.25 ÷ 5.

Front

What is the result of dividing 2.60 by 5?

Back

The result of dividing 2.60 by 5 is 0.52.