Decimal Operations

Front

Back

2.2

Front

Back

2.8

Front

Back

18.93

Front

Back

4.43

Front

If you multiply 0.73 by 2.52, how many times would you move the decimal?

Back

4

Front

Define decimal operations.

Back

Decimal operations involve calculations (addition, subtraction, multiplication, division) with numbers that have decimal points.

Front

What is the process of adding decimals?

Back

Align the decimal points and add as you would with whole numbers.

Front

How do you subtract decimals?

Back

Align the decimal points and subtract as you would with whole numbers.

Front

What is the rule for multiplying decimals?

Back

Multiply as whole numbers, then count the total number of decimal places in both factors to place the decimal in the product.

Front

What is the rule for dividing decimals?

Back

Move the decimal point in the divisor to make it a whole number, then move the decimal point in the dividend the same number of places.