MultiDigit Multiplication

Front

What is multi-digit multiplication?

Back

Multi-digit multiplication is the process of multiplying numbers that have two or more digits. It involves breaking down the numbers into smaller parts to make the multiplication easier.

Front

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

Back

To multiply a two-digit number by a one-digit number, you can use the distributive property. For example, to calculate 25 x 3, you can break it down to (20 x 3) + (5 x 3) = 60 + 15 = 75.

Front

What is the product of 15 and 42?

Back

630

Front

What is the product of 25 and 78?

Back

1950

Front

How do you multiply two two-digit numbers?

Back

To multiply two two-digit numbers, you can use the area model or the standard algorithm. For example, to multiply 25 by 32, you can break it down into (20 + 5) x (30 + 2) and calculate each part.

Front

What is the total number of chairs if there are 58 rows with 32 chairs each?

Back

1,856 chairs

Front

How do you find the total when multiplying a number of boxes by the number of items in each box?

Back

Multiply the number of boxes by the number of items in each box. For example, if there are 11 boxes with 76 items each, the total is 11 x 76 = 836.

Front

What is the product of 7 and 168?

Back

1,176

Front

What is the importance of estimating in multiplication?

Back

Estimating helps to quickly check if the answer is reasonable. It can guide you in determining if your final answer is close to what you expect.

Front

What is the standard algorithm for multiplication?

Back

The standard algorithm involves writing the numbers vertically, multiplying each digit, and adding the results together, aligning them according to place value.