Multiplication

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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).

Tags

CCSS.3.OA.A.1

Front

What is an array in multiplication?

Back

An array is a visual representation of multiplication using rows and columns. For example, a 4 x 5 array has 4 rows and 5 columns.

Tags

CCSS.3.OA.A.1

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What are partial products?

Back

Partial products are the results of multiplying each digit of a number separately before adding them together. For example, in 27 x 6, you can break it down to (20 x 6) + (7 x 6).

Tags

CCSS.4.NBT.B.5

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How do you find the total number of items when making multiple groups?

Back

To find the total number of items, multiply the number of groups by the number of items in each group. For example, if you have 9 belts and each uses 5 beads, you calculate 9 x 5.

Tags

CCSS.2.OA.C.3

Front

What is the multiplication fact for 4 x 5?

Back

The multiplication fact for 4 x 5 is 20, which means 4 groups of 5.

Tags

CCSS.3.OA.A.1

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How do you solve 7,999 x 6 using estimation?

Back

You can round 7,999 to 8,000 and then multiply: 8,000 x 6 = 48,000. This helps you estimate the answer.

Tags

CCSS.4.NBT.B.5

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What is the product of 784 x 6?

Back

The product of 784 x 6 is 4,704.

Tags

CCSS.4.NBT.B.5

Front

What does it mean to use a strategy in multiplication?

Back

Using a strategy means applying a method to solve multiplication problems, such as breaking numbers into parts or using arrays.

Tags

CCSS.5.NF.B.6

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What is the relationship between multiplication and addition?

Back

Multiplication is a faster way to add the same number multiple times. For example, 3 x 4 is the same as 4 + 4 + 4.

Tags

CCSS.3.OA.D.9

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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.

Tags

CCSS.4.NBT.B.6