Multiplication & Division using Arrays and Equal Groups

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What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

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CCSS.3.OA.A.1

Front

What is division?

Back

Division is a mathematical operation that splits a number into equal parts. For example, 12 ÷ 3 means splitting 12 into 3 equal groups, which gives 4.

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CCSS.3.OA.A.2

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What does an array represent in multiplication?

Back

An array is a visual representation of multiplication, showing objects arranged in rows and columns. For example, a 3 x 4 array has 3 rows and 4 columns.

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CCSS.3.OA.A.1

Front

What is an equal group?

Back

Equal groups are groups that have the same number of items. For example, if you have 12 apples divided into 3 equal groups, each group has 4 apples.

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CCSS.2.OA.C.3

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How do you write a multiplication equation for an array?

Back

To write a multiplication equation for an array, count the number of rows and the number of columns. Multiply these two numbers. For example, a 5 x 3 array is written as 5 x 3.

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CCSS.3.OA.A.1

Front

What is the product in multiplication?

Back

The product is the result of multiplying two or more numbers together. For example, in 4 x 5, the product is 20.

Tags

CCSS.3.OA.A.1

Front

What is the quotient in division?

Back

The quotient is the result of dividing one number by another. For example, in 20 ÷ 4, the quotient is 5.

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CCSS.3.OA.A.2

Front

How can you check your multiplication?

Back

You can check multiplication by using addition. For example, if 3 x 4 = 12, you can check by adding 4 three times: 4 + 4 + 4 = 12.

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CCSS.3.OA.A.1

Front

How can you check your division?

Back

You can check division by using multiplication. For example, if 20 ÷ 4 = 5, you can check by multiplying: 5 x 4 = 20.

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CCSS.4.NBT.B.6

Front

What is a multiplication expression?

Back

A multiplication expression is a mathematical statement that shows the multiplication of two or more numbers, such as 6 x 7.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2