Decimals- Word Problems

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 compare two decimal numbers?

Back

To compare two decimal numbers, align the decimal points and compare digit by digit from left to right.

Front

What is the value of 0.5 in fraction form?

Back

0.5 is equivalent to 1/2.

Front

How do you add decimals?

Back

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

Front

How do you subtract decimals?

Back

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

Front

What is the process to 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

How do you divide decimals?

Back

To divide decimals, 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 usual.

Front

If a donut costs $5.22 for 18 donuts, what is the cost per donut?

Back

The cost per donut is $5.22 ÷ 18 = $0.29.

Front

If a pack of gum costs $1.92 for 6 pieces, how much does each piece cost?

Back

Each piece of gum costs $1.92 ÷ 6 = $0.32.

Front

How do you estimate the result of a decimal subtraction?

Back

Round the numbers to the nearest whole number and then subtract.