Decimal Computation

Front

What is a decimal?

Back

A decimal is a way of representing numbers that are not whole numbers, using a point to separate the whole part from the fractional part.

Front

How do you subtract decimals?

Back

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

Front

What is the value of 0.5 in cents?

Back

0.5 is equal to 50 cents.

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 result of 2.33 x 5.6?

Back

The result is 13.048.

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 total cost of 2.3 pounds of grapes at $2.40 per pound?

Back

The total cost is $5.52.

Front

If you have $20.00 and spend $14.89, how much do you have left?

Back

You have $5.11 left.

Front

What is the formula to find the remaining amount after spending?

Back

Remaining Amount = Initial Amount - Amount Spent.

Front

How do you split a total cost among several people?

Back

To split a total cost, divide the total amount by the number of people sharing the cost.