Multiplication!

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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 the product of two numbers?

Back

The product is the result of multiplying two or more numbers together. For example, the product of 5 and 6 is 30 (5 x 6 = 30).

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How do you multiply a number by 10?

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To multiply a number by 10, you simply add a zero to the end of that number. For example, 7 x 10 = 70.

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What does it mean to multiply by zero?

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Multiplying any number by zero always results in zero. For example, 8 x 0 = 0.

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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 rows of 4 objects each represent 3 x 4.

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How can you check your multiplication answer?

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You can check your multiplication answer by using division. If 4 x 5 = 20, then 20 ÷ 5 should equal 4.

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What is the commutative property of multiplication?

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The commutative property states that changing the order of the numbers in multiplication does not change the product. For example, 2 x 3 = 3 x 2.

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What is the associative property of multiplication?

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

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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 6 x 4 = 24, both 6 and 4 are factors.

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How do you multiply a two-digit number by a one-digit number?

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To multiply a two-digit number by a one-digit number, you can break the two-digit number into tens and ones, multiply each part by the one-digit number, and then add the results. For example, 23 x 4 = (20 x 4) + (3 x 4) = 80 + 12 = 92.