Multiplying Multi-digit 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 number?

Back

A multi-digit number is a number that has two or more digits, such as 12, 345, or 6789.

Front

How do you multiply multi-digit numbers?

Back

To multiply multi-digit numbers, you can use the standard algorithm, which involves multiplying each digit of the top number by each digit of the bottom number and then adding the results.

Front

What is the product of 12 x 78?

Back

936

Front

If a bike race is 9 miles long and there are 67 riders, how do you find the total miles biked?

Back

Multiply the length of the race (9 miles) by the number of riders (67): 9 x 67 = 603 miles.

Front

What is the product of 400 x 50?

Back

20,000

Front

What does multiplying by 10 do to a number?

Back

Multiplying a number by 10 shifts its digits one place to the left, increasing its value by a factor of ten.

Front

What is the product of 4.475 x 10?

Back

44.75

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.

Front

What is the product of 6.349 x 10^2?

Back

634.9