Operations with Decimals

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 add decimals?

Back

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

Front

What is the result of dividing 93,125 by 100?

Back

931.25

Front

If you have 3.75 pounds of ham and use 0.25 pounds for each sandwich, how many sandwiches can you make?

Back

15 sandwiches

Front

What is the cost of one chocolate if a box of 20 chocolates costs $24.80?

Back

$1.24

Front

How do you multiply decimals?

Back

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

Front

What is the result of adding 0.75 and 0.28?

Back

1.03

Front

What does it mean to divide a decimal?

Back

Dividing a decimal means finding how many times one number is contained within another, expressed as a decimal.

Front

What is the first step in solving a decimal division problem?

Back

Move the decimal point in the divisor to make it a whole number, and do the same with the dividend.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.