Decimal Word Problems

Here are some examples of decimal word problems solved with the help of blocks.

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.

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