Christmas Math review

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What is multiplication?

Back

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

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What is addition?

Back

Addition is a mathematical operation that combines two or more numbers to get a total. For example, 2 + 3 = 5.

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What is subtraction?

Back

Subtraction is a mathematical operation that represents the removal of one number from another. For example, 5 - 2 = 3.

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What is a word problem in math?

Back

A word problem is a mathematical question that is presented in a narrative form, requiring the reader to extract the relevant information to solve it.

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How do you solve a multiplication problem?

Back

To solve a multiplication problem, you can use repeated addition, arrays, or the multiplication table. For example, to solve 4 x 3, you can add 4 three times: 4 + 4 + 4 = 12.

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What is the formula for finding the total number of items when each group has the same number?

Back

The formula is: Total = Number of groups x Number of items in each group.

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What does it mean to find the difference in subtraction?

Back

Finding the difference means calculating how much one number is less than another. For example, the difference between 10 and 4 is 10 - 4 = 6.

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What is a math equation?

Back

A math equation is a statement that two expressions are equal, often containing numbers, variables, and operations. For example, 2 + 3 = 5 is an equation.

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What is the importance of estimating in math?

Back

Estimating helps to quickly find an approximate answer, which can be useful for checking the reasonableness of a more precise calculation.

Front

What is a total in math?

Back

The total is the sum of all parts or quantities. For example, if you have 3 apples and 2 oranges, the total number of fruits is 3 + 2 = 5.