4.4D Multiplication Problem Solving Review

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What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. It is one of the four basic operations in arithmetic.

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What is the product of two numbers?

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The product is the result of multiplying two or more numbers together.

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How do you multiply a number by a multiple of ten?

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To multiply a number by a multiple of ten, you can simply add the appropriate number of zeros to the end of the number. For example, 5 x 10 = 50.

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What is the associative property of multiplication?

Back

The associative property states that the way in which numbers are grouped in multiplication does not change the product. For example, (2 x 3) x 4 = 2 x (3 x 4).

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What is the commutative property of multiplication?

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The commutative property states that the order in which two numbers are multiplied does not change the product. For example, 3 x 4 = 4 x 3.

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How can you solve a word problem involving multiplication?

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To solve a word problem involving multiplication, identify the quantities involved, determine what is being asked, and set up a multiplication equation based on the information given.

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What is a factor in multiplication?

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A factor is a number that is multiplied by another number to get a product. For example, in the multiplication 3 x 4 = 12, both 3 and 4 are factors.

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What is a common application of multiplication in real life?

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Multiplication is commonly used in real life for calculating total costs, determining areas, and solving problems involving rates and quantities.

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How do you convert minutes into hours using multiplication?

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To convert minutes into hours, divide the number of minutes by 60. For example, 120 minutes is 120 ÷ 60 = 2 hours.

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What is the importance of estimating products in multiplication?

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Estimating products helps to quickly assess the reasonableness of an answer and can simplify calculations in real-life situations.