Multi-digit multiplication, division, and expanded form

Front

What is multi-digit multiplication?

Back

Multi-digit multiplication is the process of multiplying numbers that have more than one digit, such as 23 x 45.

Front

What is the product in multiplication?

Back

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

Front

What is the divisor in division?

Back

The divisor is the number by which another number (the dividend) is divided.

Front

What is the quotient in division?

Back

The quotient is the result of a division problem.

Front

What is expanded form?

Back

Expanded form is a way of writing numbers to show the value of each digit. For example, 345 in expanded form is 300 + 40 + 5.

Front

How do you write 4,256 in expanded notation?

Back

(4 x 1000) + (2 x 100) + (5 x 10) + (6 x 1)

Front

What is the first step in multi-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 does it mean to carry over in multiplication?

Back

Carrying over is when you move a value from one column to the next in multi-digit multiplication when the product exceeds 9.

Front

What is the difference between a factor and a multiple?

Back

A factor is a number that divides another number evenly, while a multiple is the result of multiplying a number by an integer.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations; multiplying two numbers gives a product, while dividing the product by one of the numbers gives the other number.