NC.5.NBT.5

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What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times (3 + 3 + 3 + 3) which equals 12.

Front

What does it mean to find the total number of items in groups?

Back

Finding the total number of items in groups involves multiplying the number of groups by the number of items in each group. For example, if there are 5 groups of 10 apples, the total is 5 x 10 = 50 apples.

Front

How do you calculate the total number of small bags of cereal in large boxes?

Back

To calculate the total number of small bags of cereal, multiply the number of large boxes by the number of small bags in each box. For example, 238 boxes with 32 bags each equals 238 x 32 = 7,616 bags.

Front

What is a case in terms of packaging?

Back

A case is a container that holds a specific number of items, often used for shipping or storage. For example, a case of water may contain 24 bottles.

Front

How do you find the total number of books delivered by a factory?

Back

To find the total number of books delivered, multiply the number of boxes by the number of books in each box. For example, 284 boxes with 20 books each equals 284 x 20 = 5,680 books.

Front

What is the formula for calculating the total number of students in classrooms?

Back

The formula is: Total Students = Number of Classrooms x Number of Students per Classroom. For example, 45 classrooms with 27 students each equals 45 x 27 = 1,215 students.

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What does 'total' mean in mathematics?

Back

In mathematics, 'total' refers to the sum or overall amount obtained by adding together individual amounts.

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What is the significance of understanding multiplication in real-life scenarios?

Back

Understanding multiplication helps in solving real-life problems involving groups, such as calculating total costs, quantities, and distributions.

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How can you check your multiplication answers?

Back

You can check your multiplication answers by using division. For example, if you calculated 7,616 bags from 238 boxes and 32 bags, you can divide 7,616 by 32 to see if you get 238.

Front

What is the relationship between multiplication and addition?

Back

Multiplication is a shortcut for repeated addition. For example, 4 x 3 is the same as 3 + 3 + 3 + 3.