Operations with Decimals

Front

What is the product of 0.3 and 0.5?

Back

0.15

Front

How do you add 76.4 and 31.98?

Back

You align the decimal points and add: 76.4 + 31.98 = 108.38.

Front

What is 0.18 multiplied by 2.0?

Back

0.36

Front

What is the result of 14 minus 8.9?

Back

5.1

Front

What is the sum of 4 and 3.76?

Back

7.76

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 accordingly.

Front

What is the process for adding decimals?

Back

Align the decimal points, add the numbers as whole numbers, and place the decimal point in the sum.

Front

What is the difference between a decimal and a whole number?

Back

A decimal is a fraction expressed in a special form, while a whole number is a non-negative integer without any fractional part.

Front

How do you subtract decimals?

Back

Align the decimal points, subtract as you would with whole numbers, and place the decimal point in the result.

Front

What is the significance of decimal places in calculations?

Back

Decimal places indicate the precision of a number; more decimal places mean more precision.