Double Digit Multiplication

Front

What is double digit multiplication?

Back

Double digit multiplication is the process of multiplying two numbers that each have two digits, such as 25 x 14.

Front

How do you multiply two double digit numbers?

Back

To multiply two double digit numbers, you can use the standard algorithm: multiply each digit of the first number by each digit of the second number, then add the results.

Front

What is the product of 90 and 72?

Back

6,480

Front

What is the product of 25 and 14?

Back

350

Front

If Robin has 55 shelves with 28 movies each, how do you find the total number of movies?

Back

Multiply the number of shelves (55) by the number of movies per shelf (28) to get the total: 55 x 28 = 1,540.

Front

What is the product of 70 and 62?

Back

4,340

Front

How do you calculate the total number of players if there are 29 teams with 24 players each?

Back

Multiply the number of teams (29) by the number of players per team (24): 29 x 24 = 696.

Front

What is the first step in the standard algorithm for double digit multiplication?

Back

The first step is to multiply the ones place of the bottom number by the entire top number.

Front

What do you do after multiplying the ones place in double digit multiplication?

Back

After multiplying the ones place, you multiply the tens place of the bottom number by the entire top number and shift the result one place to the left.

Front

What is the importance of lining up numbers correctly in multiplication?

Back

Lining up numbers correctly ensures that you add the products accurately, which is crucial for getting the correct final answer.