Multiplication

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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).

Tags

CCSS.3.OA.A.1

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What is a product in multiplication?

Back

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

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CCSS.3.OA.A.1

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What does it mean to multiply by a dozen?

Back

A dozen means 12. So, multiplying by a dozen means you are finding the total of 12 groups of something.

Tags

CCSS.3.OA.A.1

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How do you calculate the total number of items when each group has the same amount?

Back

You multiply the number of groups by the number of items in each group. For example, if there are 5 groups of 10 apples, you calculate 5 x 10 = 50 apples.

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CCSS.2.OA.C.3

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What is the multiplication table?

Back

The multiplication table is a chart that shows the products of pairs of numbers, typically from 1 to 12. It helps in learning multiplication facts.

Tags

CCSS.3.OA.A.1

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What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers you are multiplying does not change the product. For example, 4 x 5 = 5 x 4.

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CCSS.3.OA.B.5

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What is the associative property of multiplication?

Back

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).

Tags

CCSS.3.OA.B.5

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What is a factor in multiplication?

Back

A factor is a number that is multiplied by another number to get a product. For example, in 6 x 7 = 42, both 6 and 7 are factors.

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CCSS.4.OA.B.4

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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, 5 x 10 = 50.

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CCSS.3.NBT.A.3

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What is repeated addition?

Back

Repeated addition is the process of adding the same number multiple times, which is the same as multiplication. For example, 4 + 4 + 4 = 3 x 4.

Tags

CCSS.3.OA.A.1