Double Digit Multiplication

Front

What is double digit multiplication?

Back

Double digit multiplication refers to the process of multiplying two numbers, each consisting of two digits.

Front

How do you multiply two double-digit numbers using the standard algorithm?

Back

1. Write the numbers vertically and align them by place value. 2. Multiply the bottom number's ones digit by the top number. 3. Write the result below, aligned with the ones place. 4. Multiply the bottom number's tens digit by the top number, shifting one place to the left. 5. Add the two results together.

Front

What is the product of 42 and 13?

Back

The product of 42 and 13 is 546.

Front

What is the product of 13 and 50?

Back

The product of 13 and 50 is 650.

Front

What is the product of 63 and 28?

Back

The product of 63 and 28 is 1764.

Front

What is the product of 48 and 60?

Back

The product of 48 and 60 is 2880.

Front

What is the product of 58 and 21?

Back

The product of 58 and 21 is 1218.

Front

What is the importance of place value in double digit multiplication?

Back

Place value is crucial in double digit multiplication as it determines the position of each digit in the final product, ensuring accurate calculations.

Front

What is the distributive property in relation to multiplication?

Back

The distributive property states that a(b + c) = ab + ac, allowing for easier multiplication by breaking numbers into parts.

Front

How can you check your work after performing double digit multiplication?

Back

You can check your work by using the inverse operation (division) or by estimating the product using rounding.