Multiplying Multi-digit Whole Numbers

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the process of adding a number to itself a certain number of times.

Front

What is a multi-digit whole number?

Back

A multi-digit whole number is a number that has more than one digit and does not include fractions or decimals.

Front

What does the term 'product' mean in multiplication?

Back

The product is the result of multiplying two or more numbers together.

Front

How do you multiply a two-digit number by a one-digit number?

Back

Multiply the one-digit number by each digit of the two-digit number, starting from the right, and then add the results.

Front

What is the standard algorithm for multiplying multi-digit numbers?

Back

The standard algorithm involves multiplying each digit of the bottom number by each digit of the top number, aligning the results according to place value, and then adding them together.

Front

What is the distributive property of multiplication?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute the multiplication over addition.

Front

How do you estimate the product of two numbers?

Back

Round each number to the nearest ten or hundred, then multiply the rounded numbers to get an estimate.

Front

What is the importance of place value in multiplication?

Back

Place value helps determine the value of each digit in a number, which is crucial for correctly aligning and adding products in multiplication.

Front

What is a factor in multiplication?

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A factor is a number that is multiplied by another number to get a product.

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How do you check your multiplication answer?

Back

You can check your multiplication answer by using the inverse operation, which is division.