Decimal Operations

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

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 7.13 and 5.5?

Back

39.215

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 sum of 55.78 and 4.6?

Back

60.38

Front

How do you subtract decimals?

Back

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

Front

What is 94 - 4.8?

Back

89.2

Front

How do you find the cost of an item based on weight and price per pound?

Back

Multiply the weight of the item by the price per pound to find the total cost.

Front

If a steak weighs 1.4 pounds and costs $4.50 per pound, what is the total cost?

Back

$6.30

Front

What is the difference between two decimal numbers?

Back

The difference is found by subtracting the smaller number from the larger number.