Decimal Word Problems

(1 - step word problem)

Here are some examples of decimal word problems. We will illustrate how block diagrams can be used to help you to visualize the decimal word problems in terms of the information given and the data that needs to be found.

Example:

The length of a ribbon is 1.28 m. The length of a rope is 2.74 m longer than the ribbon. What is the length of the rope?

Solution:

The length of the rope is 4.02 m.

Example:

The mass of a jar of sugar is 1.9 kg. What is the total mass of 4 such jars of sugar?

Solution:

1.9 × 4 = 7.6

The total mass of 4 such jars of sugar is 7.6 kg.

Example:

A pail holds 5.2 l of water. A bottle holds 3.9 l less water than the pail. What is the volume of water in the bottle?

Solution:

5.2 – 3.9 = 1.3

The volume of water in the bottle is 1.3 l.

Example:

Susan has 4 times as much money as her sister. If Susan has $10, how much money does her sister have?

Solution:

$10 ÷ 4 = $2.50

Susan’s sister has $2.50.

The following video shows an example of a decimal word problem.

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