Multiply with Regrouping Flashcard

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 4 x 3 means adding 4 three times: 4 + 4 + 4 = 12.

Front

What does it mean to regroup in multiplication?

Back

Regrouping in multiplication involves rearranging numbers to make the calculation easier, often by breaking down larger numbers into smaller, more manageable parts.

Front

What is the product of 23 x 4?

Back

92

Front

What is the product of 58 x 9?

Back

522

Front

What is the product of 86 x 3?

Back

258

Front

What is the product of 94 x 2?

Back

188

Front

What is the product of 45 x 6?

Back

270

Front

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

Back

To multiply a two-digit number by a one-digit number, 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 distributive property in multiplication?

Back

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

Front

What is an example of regrouping in multiplication?

Back

If you multiply 23 x 4, you can break 23 into 20 and 3. Then calculate (20 x 4) + (3 x 4) = 80 + 12 = 92.