Decimal Operations Review

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 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 7.5 and 0.15?

Back

1.125

Front

How do you find the difference between two decimals?

Back

To find the difference, align the decimal points and subtract the smaller number from the larger number.

Front

What is the difference between 13.9 and 0.77?

Back

13.13

Front

How do you add decimals?

Back

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

Front

What is the sum of 0.25 and 0.75?

Back

1.00

Front

How do you divide decimals?

Back

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

Front

Zion has 347.2 ounces of mulch. He needs to split the mulch evenly into pots that hold 24.8 ounces each. How many pots can he fill?

Back

14

Front

What is the importance of place value in decimals?

Back

Place value determines the value of each digit in a decimal number, affecting calculations and comparisons.