Mastering Multiplication with the Grid Method

This video tutorial explains how to multiply two-digit numbers using the grid method. It begins with setting up a grid, partitioning numbers into tens and units, and then calculating products for each section. The tutorial emphasizes the importance of mental math and zeros in simplifying calculations. Finally, it demonstrates how to use column addition to combine results and find the final answer.

What is the first step in the grid method for multiplying two-digit numbers?

• Writing the numbers at the bottom

• Drawing a triangle

• Writing the numbers at the top

• Drawing a circle

Tags

CCSS.2.OA.C.4

How do you partition the number 27 in the grid method?

• 10 and 17

• 20 and 7

• 25 and 2

• 2 and 7

What do you write in the top left-hand column of the grid?

• Addition sign

• Subtraction sign

• Division sign

• Multiplication sign

Tags

CCSS.4.NBT.B.5

What is the result of multiplying 20 by 50 in the grid method?

• 1000

• 200

• 500

• 100

Tags

CCSS.4.NBT.B.5

What is the result of multiplying 20 by 6 in the grid method?

• 30

• 12

• 60

• 120

Tags

CCSS.4.NBT.B.5

What is the result of multiplying 7 by 50 in the grid method?

• 400

• 350

• 300

• 250

Tags

CCSS.4.NBT.B.5

What is the result of multiplying 7 by 6 in the grid method?

• 48

• 42

• 36

• 54

Tags

CCSS.2.NBT.B.7

Why is it important to use column addition in the grid method?

• To ensure the sum does not fail

• To avoid using a calculator

• To make the sum look neat

• To practice addition

Tags

CCSS.4.NBT.B.5

What is the final answer when multiplying 56 by 27 using the grid method?

• 1512

• 1612

• 1712

• 1812

Tags

CCSS.4.NBT.B.5