Decimal Operations Word Problems

Front

What is a decimal?

Back

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

Front

How do you add decimals?

Back

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

Tags

CCSS.5.NBT.B.7

Front

What is the process for subtracting decimals?

Back

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

Tags

CCSS.5.NBT.B.7

Front

How do you 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 factors and place the decimal point in the product accordingly.

Tags

CCSS.6.NS.B.3

Front

What is the rule for dividing decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number, then move the decimal point in the dividend the same number of places and divide as usual.

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Front

If a recipe calls for 2.25 cups of flour and you double it, how much flour do you need?

Back

4.5 cups

Tags

CCSS.7.EE.B.3

Front

A container holds 2.5 liters of water. If 0.75 liters is poured out, how much is left?

Back

1.75 liters

Tags

CCSS.3.MD.A.2

Front

A school bought 15.5 kilograms of sugar and used 2.75 kilograms. How much is left?

Back

12.75 kilograms

Tags

CCSS.6.NS.B.3

Front

John bought 3.25 meters of red fabric and 2.75 meters of blue fabric. What is the total length?

Back

5.00 meters

Tags

CCSS.5.NBT.B.7

Front

A baker used 4.5 cups of flour in the morning and 3.25 cups in the afternoon. How much more did he use in the morning?

Back

1.25 cups

Tags

CCSS.5.NBT.B.7