3 and 2-Digit by 2-Digit Multiplication

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. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times (3 + 3 + 3 + 3).

Front

What is a 2-digit number?

Back

A 2-digit number is a number that has two digits, ranging from 10 to 99.

Front

What is a 3-digit number?

Back

A 3-digit number is a number that has three digits, ranging from 100 to 999.

Front

How do you multiply a 2-digit number by a 2-digit number?

Back

To multiply a 2-digit number by another 2-digit number, you can use the standard algorithm: multiply each digit of the first number by each digit of the second number, and then add the results.

Front

What is the standard algorithm for multiplication?

Back

The standard algorithm involves writing the numbers vertically, multiplying each digit, and carrying over any values as needed.

Front

What is the product of 298 and 27?

Back

8,046

Front

What is the product of 762 and 32?

Back

24,384

Front

What is the product of 396 and 7?

Back

2,772

Front

What does 'carry over' mean in multiplication?

Back

'Carry over' means to move a value from one column to the next when the result of a multiplication exceeds 9.

Front

What is an example of multiplying a 2-digit number by a 1-digit number?

Back

Example: 34 x 5 = 170.