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 breaking down numbers into smaller parts to make the multiplication easier. For example, in 23 x 4, you can break 23 into 20 and 3.

Front

What is the product of 23 x 4?

Back

92

Front

What is the product of 68 x 4?

Back

272

Front

What is the product of 45 x 6?

Back

270

Front

What is the product of 79 x 5?

Back

395

Front

What is the product of 94 x 2?

Back

188

Front

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

Back

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

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to break down a multiplication problem into smaller parts.

Front

What is an example of using regrouping in multiplication?

Back

For 23 x 4, you can regroup as (20 x 4) + (3 x 4) = 80 + 12 = 92.