Multiplication and Division Review

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 4 x 3 means adding 4 three times: 4 + 4 + 4 = 12.

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What is division?

Back

Division is a mathematical operation that represents the splitting of a number into equal parts. For example, 12 ÷ 3 means splitting 12 into 3 equal parts, which equals 4.

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What is the box method of multiplication?

Back

The box method is a visual way to multiply two numbers by breaking them into parts. For example, to multiply 52 x 76, you can break 52 into 50 and 2, and 76 into 70 and 6, then multiply each part and add the results.

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What is the product in multiplication?

Back

The product is the result of multiplying two or more numbers together. For example, in 5 x 3, the product is 15.

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What is a factor?

Back

A factor is a number that divides another number without leaving a remainder. For example, in 12, the factors are 1, 2, 3, 4, 6, and 12.

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What does it mean to divide?

Back

To divide means to separate a number into equal parts. For example, dividing 20 by 4 means finding out how many groups of 4 can fit into 20.

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What is a multiplication expression?

Back

A multiplication expression is a mathematical statement that shows the multiplication of numbers, such as 3 x 4 or 5 x 2.

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What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. This means that if you multiply a number and then divide by the same number, you will return to the original number.

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How can you check your multiplication?

Back

You can check your multiplication by using division. For example, if you calculated 4 x 5 = 20, you can check by doing 20 ÷ 5 = 4.

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What is an array in multiplication?

Back

An array is a visual representation of multiplication using rows and columns. For example, 3 x 4 can be represented as 3 rows of 4 objects.