Two-Digit by Two-Digit Multiplication

Front

What is two-digit by two-digit multiplication?

Back

It is the process of multiplying two numbers, each with two digits, to find their product.

Front

What is the product of 60 and 85?

Back

5,100

Front

How do you multiply two-digit numbers?

Back

You can use the standard algorithm, which involves multiplying each digit of the first number by each digit of the second number and then adding the results.

Front

What is the first step in multiplying 60 by 85 using the standard algorithm?

Back

Multiply 60 by 5 (the ones place of 85).

Front

What is 60 multiplied by 5?

Back

300

Front

What is the second step in multiplying 60 by 85 using the standard algorithm?

Back

Multiply 60 by 8 (the tens place of 85) and remember to add a zero.

Front

What is 60 multiplied by 8 with a zero added?

Back

4800

Front

How do you combine the results of 300 and 4800?

Back

Add them together: 300 + 4800 = 5100.

Front

What is an array in multiplication?

Back

An array is a visual representation of multiplication using rows and columns.

Front

How can you use an array to represent 60 x 85?

Back

You can create an array with 60 rows and 85 columns to visualize the multiplication.