Decimal Operations

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

What is the value of 0.5 in fraction form?

Back

0.5 is equivalent to 1/2.

Front

What is the process to 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 factors and place the decimal point in the product accordingly.

Front

What is a divisor?

Back

A divisor is the number by which another number (the dividend) is divided.

Front

Calculate: 3.8 x 0.10

Back

0.38

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to make it a whole number, and move the decimal point in the dividend the same number of places. Then divide as usual.

Front

What is the quotient?

Back

The quotient is the result of dividing one number by another.

Front

If a watermelon weighs 10.25 pounds and is cut into 5 pieces, how much does each piece weigh?

Back

Each piece weighs 2.05 pounds.

Front

What is the cost of an Uber ride that travels 12 miles at $2.76 per mile?

Back

The cost is $33.12.