multiplication 4th grade

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What is multiplication?

Back

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

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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.

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How do you multiply a number by 10?

Back

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?

Back

Any number multiplied by zero equals 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?

Back

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

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What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in multiplication does not change the product. For example, 3 x 4 = 4 x 3.

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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).

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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, both 6 and 7 are factors.

Front

What is a multiplication table?

Back

A multiplication table is a chart that shows the products of pairs of numbers, typically from 1 to 12.