Multiplying Decimals

Front

What is the product of 7.13 and 5.5?

Back

39.215

Front

If a trail is 8.54 miles long and someone rides around it 4 times, how do you calculate the total distance traveled?

Back

Multiply the length of the trail (8.54 miles) by the number of times ridden (4): 8.54 x 4 = 34.16 miles.

Front

How do you calculate the cost of an Uber ride if it costs $2.25 per mile and the distance is 8.7 miles?

Back

Multiply the cost per mile ($2.25) by the distance (8.7 miles): 2.25 x 8.7 = $19.58.

Front

How do you determine the number of decimal places in the product of two decimal numbers?

Back

Count the total number of decimal places in both factors. For 17.98 (2 decimal places) and 143.5 (1 decimal place), the product should have 3 decimal places.

Front

What is the product of 4 and 0.03?

Back

0.12

Front

What is the general rule for multiplying decimals?

Back

Multiply the numbers as if they were whole numbers, then count the total number of decimal places in both factors to place the decimal in the product.

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, represented with a decimal point.

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.

Front

What is the importance of aligning decimal points when adding or subtracting decimals?

Back

Aligning decimal points ensures that each digit is in the correct place value, which is crucial for accurate calculations.

Front

What is the difference between multiplying whole numbers and multiplying decimals?

Back

The process is the same, but you must account for decimal places in the final product when multiplying decimals.