Box Method Multiplication

Front

What is the Box Method in multiplication?

Back

The Box Method is a visual way to multiply numbers by breaking them into smaller, more manageable parts, often using a grid or box to organize the calculations.

Front

How do you use the Box Method to multiply 10 by 7?

Back

Break 10 into 10 and 0. Multiply 10 by 7 to get 70. The Box Method shows that 10 x 7 = 70.

Front

What is the first step in the Box Method?

Back

The first step is to break each number into its place values (e.g., 23 = 20 + 3).

Front

How do you represent 120 in the Box Method?

Back

120 can be represented as 100 + 20.

Front

What is the product of 20 and 80 using the Box Method?

Back

Break 20 into 20 and 0, and 80 into 80. Multiply: 20 x 80 = 1600.

Front

What does the grey square represent in the Box Method?

Back

The grey square represents the product of the numbers being multiplied in that section of the box.

Front

How do you find the total in the Box Method?

Back

Add all the products from each section of the box together to find the total.

Front

What is the importance of place value in the Box Method?

Back

Place value helps to organize numbers correctly and ensures accurate multiplication.

Front

How can you check your work after using the Box Method?

Back

You can check your work by adding the products from the box and comparing it to the direct multiplication of the two numbers.

Front

What is an example of using the Box Method with 15 and 12?

Back

Break 15 into 10 + 5 and 12 into 10 + 2. Multiply: (10x10) + (10x2) + (5x10) + (5x2) = 150 + 20 + 50 + 10 = 190.