Word problems for Decimal Multiplication

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What is decimal multiplication?

Back

Decimal multiplication is the process of multiplying numbers that have decimal points. It involves aligning the numbers, ignoring the decimal points during multiplication, and then placing the decimal point in the product based on the total number of decimal places in the factors.

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How do you calculate the total earnings from hourly work?

Back

To calculate total earnings from hourly work, multiply the number of hours worked by the hourly wage. For example, if you work 10 hours at $15 per hour, your total earnings would be 10 x 15 = $150.

Front

What is the formula for calculating the area of a rectangle?

Back

The formula for calculating the area of a rectangle is: Area = Length x Width. For example, if a rectangle is 5 inches long and 3 inches wide, the area is 5 x 3 = 15 square inches.

Front

How do you compare costs of items purchased?

Back

To compare costs, calculate the total cost for each item by multiplying the quantity by the price per item. Then, compare the total costs to see which is higher.

Front

What is the total weight of multiple items?

Back

To find the total weight of multiple items, multiply the weight of one item by the number of items. For example, if one birdhouse weighs 3.93 kg and there are 26 birdhouses, the total weight is 3.93 x 26 = 102.18 kg.

Front

What does it mean to find the total amount collected from sales?

Back

Finding the total amount collected from sales involves multiplying the number of items sold by the price per item. For example, if 48 jelly jars are sold for $4.77 each, the total collected is 48 x 4.77 = $228.96.

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How do you convert kilograms to pounds?

Back

To convert kilograms to pounds, multiply the weight in kilograms by 2.20462. For example, 1 kg is approximately 2.20462 pounds.

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical problem that is presented in the form of a story or real-life scenario, requiring the reader to extract the relevant information and perform calculations to find a solution.

Front

How do you solve a word problem involving multiplication of decimals?

Back

To solve a word problem involving multiplication of decimals, first identify the numbers to be multiplied, perform the multiplication as if they were whole numbers, and then place the decimal point in the product according to the total number of decimal places in the factors.

Front

What is the significance of understanding area in real-life applications?

Back

Understanding area is important for real-life applications such as determining the size of a space, planning for flooring, gardening, or any situation where surface coverage is needed.