Multiplying Decimals 8th

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten. It is used to represent numbers that are not whole, such as 0.5 or 3.14.

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 is the product of 0.5 and 0.2?

Back

0.1

Front

What is the product of 4.2 and 3.5?

Back

14.7

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value (e.g., 0.75 = 75/100) and simplify if possible.

Front

What is the value of 90 x 2.22?

Back

198.0

Front

If a train travels 1.5 miles in 2 minutes, how far will it travel in 30 minutes?

Back

45 miles

Front

What is the product of 15.5 and 2.4?

Back

37.20

Front

What is the significance of the decimal point in multiplication?

Back

The decimal point indicates the value of the number. In multiplication, it helps determine the placement of the decimal in the product.

Front

How do you round a decimal to the nearest whole number?

Back

To round a decimal to the nearest whole number, look at the digit to the right of the decimal point. If it is 5 or greater, round up; if it is less than 5, round down.