Lattice Multiplication Concepts and Techniques

The video tutorial introduces lattice multiplication as an alternative method for multiplying whole numbers. It provides step-by-step examples of multiplying two-digit and three-digit numbers using a lattice grid. The process involves setting up a grid, multiplying individual digits, and summing diagonals to find the final product. The tutorial concludes with a summary of the method's effectiveness.

What is the first step in setting up a lattice for multiplying two-digit numbers?

• Multiply the numbers directly

• Draw a 3x3 table

• Create a 2x2 table

• Write the numbers along the diagonals

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CCSS.4.NBT.B.5

How do you fill the lattice when the product of two digits is less than 10?

• Write a zero in the upper triangle

• Write the number in the upper triangle

• Write a zero in the lower triangle

• Write the number in the lower triangle

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CCSS.3.OA.A.1

In a 3x2 lattice, what is the result of multiplying 7 by 3?

• 28

• 9

• 21

• 14

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CCSS.HSN.VM.C.6

What is the sum of the diagonal that includes the numbers 8, 2, and 9 in the 3x2 example?

• 18

• 19

• 20

• 21

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CCSS.5.NBT.B.5

How many columns and rows are needed for a 3-digit by 3-digit multiplication lattice?

• 2 columns and 3 rows

• 3 columns and 2 rows

• 3 columns and 3 rows

• 4 columns and 3 rows

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CCSS.4.NBT.B.5

What is the product of 2 and 7 in the 3x3 lattice example?

• 16

• 14

• 18

• 12

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CCSS.HSN.VM.C.6

In the 3x3 example, what is the sum of the diagonal that includes 8, 1, and 6?

• 17

• 14

• 16

• 15

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CCSS.5.NBT.B.5

What is the final product of multiplying 182 by 347 using lattice multiplication?

• 63155

• 63144

• 63145

• 63154

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CCSS.4.NBT.B.5

What is the main advantage of using lattice multiplication?

• It requires fewer steps

• It is easier for small numbers

• It helps visualize the multiplication process

• It is faster than traditional multiplication

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CCSS.4.NBT.B.5

What is the final step in lattice multiplication?

• Multiply the numbers again

• Sum the numbers along the diagonals

• Subtract the numbers in each column

• Add the numbers in each row

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CCSS.4.NBT.B.5