Double-digit multiplication

Front

What is double-digit multiplication?

Back

Double-digit multiplication is the process of multiplying two numbers that each have two digits, such as 24 and 36.

Front

What does it mean to carry over in multiplication?

Back

Carrying over in multiplication means to transfer a value from one column to the next when the product of a multiplication exceeds 9.

Front

What is a placeholder in multiplication?

Back

A placeholder is a zero added to a number to keep the correct place value when multiplying.

Front

How do you multiply 24 by 30?

Back

First, multiply 24 by 3 (which equals 72), then add two zeros (making it 720).

Front

What is the first step in double-digit multiplication?

Back

The first step is to multiply the digit in the ones place of the bottom number by each digit of the top number.

Front

What is the second step in double-digit multiplication?

Back

The second step is to multiply the digit in the tens place of the bottom number by each digit of the top number, adding a placeholder.

Front

What is the product of 62 and 12?

Back

The product of 62 and 12 is 744.

Front

What should you do if you forget to carry over a number?

Back

If you forget to carry over a number, your final answer will be incorrect, so it's important to check your work.

Front

What is the importance of place value in multiplication?

Back

Place value is important in multiplication because it helps to keep numbers aligned correctly, ensuring accurate calculations.

Front

How do you check your work in multiplication?

Back

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