Decimal Operations

Front

What is the sum of 4.5, 5.2, and 6.2?

Back

15.9

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 (4): 8.54 x 4 = 34.16 miles.

Front

What is 0.15 divided by 3?

Back

0.05

Front

How do you subtract decimals, for example, 0.835 - 0.423?

Back

Align the decimal points and subtract: 0.835 - 0.423 = 0.412.

Front

What is the product of 18.7 and 6?

Back

112.2

Front

What is the process for adding decimal numbers?

Back

Align the decimal points and add as you would whole numbers, then place the decimal in the sum.

Front

How do you multiply a decimal by a whole number?

Back

Multiply as if they are whole numbers, then place the decimal in the product based on the total number of decimal places in the factors.

Front

What is the importance of aligning decimal points when performing operations with decimals?

Back

Aligning decimal points ensures accuracy in addition and subtraction.

Front

What is the result of 0.5 + 0.25?

Back

0.75

Front

How do you convert a decimal to a fraction?

Back

Write the decimal as a fraction with a denominator of 10, 100, etc., depending on the number of decimal places, then simplify.