Example

Title: Decimal Multiplication

Grade: 4-a Lesson: S2-L6

Explanation: Here are some examples of the topic with images and steps in sequence.

Examples:

Example: 1a

There are 6 trays of fresh mangoes at a fruit shop. If each tray weighs 688.8 pounds, what is the weight of 6 trays of mangoes?

  • Number of trays of mangoes = 6

  • Weight of each tray = 688.6 pounds

  • The total weight is 6 trays of mangoes = \$688.6 \times 6 = 4,131.6\$pounds

1a

.

Explanation:

In the above problem, there are 6 trays of fresh mangoes at a fruit shop and each tray weighs 688.8 pounds. The total weight is 6 trays of mangoes is 4,131.6 pounds.

Example: 2a

A train can run 550.4 km in one hour. What will be the distance traveled by the train in 5 hours?

  • Distance covered by train in 1 hour = 550.4 km

  • Number of hours to be calculated = 5

  • Distance covered by train in 5 hours = \$550.4 \times 5 = 2752.0\$ km

2a

.

Explanation:

In the above problem, the distance covered by train in 1 hour is 550.4 km and number of hours to be calculated is 5. Therefore, the distance covered by train in 5 hours is 2752.0 km.

Example: 3a

School lunches cost $765.5 per month. How much would 15.5 weeks of lunches cost?

  • Cost of school lunches per month = $765.5

  • Number of weeks to be calculated = 15.5 weeks

  • The total cost of 15.5 weeks of school lunches = \$$765.5 \times 15.5 = $11,865.25\$

3a

.

Explanation:

In the above problem, the cost of school lunches per month is $765.5, and the number of weeks to be calculated is 15.5. The cost of 15.5 weeks of school lunches is $11,865.25.


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