All Operations With Decimals Word Problems

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (.) to separate the whole number from the fractional part.

Front

How do you add decimals?

Back

Align the decimal points and add as you would whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

How do you subtract decimals?

Back

Align the decimal points and subtract as you would whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

What is multiplication of decimals?

Back

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 answer accordingly.

Front

What is division of 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 and divide as you would whole numbers.

Front

What operation would you use to find out how much more money is needed?

Back

Subtraction.

Front

What operation would you use to find the total number of times something happens over a period?

Back

Multiplication.

Front

What operation would you use to find the cost per item?

Back

Division.

Front

If a class has raised $819.24 and needs $1067.50, how much more do they need?

Back

$248.26.

Front

If a hummingbird flaps its wings 13.35 times per second, how many times in 11.15 seconds?

Back

148.51 times.