Multi-Digit 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, multiplying them, and then adding the results together.

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, multiply each digit of the two-digit number by the one-digit number, starting from the rightmost digit, and then add the results.

Front

What is the area model in multiplication?

Back

The area model is a visual way to represent multiplication. It involves drawing a rectangle and dividing it into smaller rectangles to represent the factors being multiplied.

Front

What is the standard algorithm for multi-digit multiplication?

Back

The standard algorithm involves writing the numbers vertically, multiplying each digit of the bottom number by each digit of the top number, and then adding the partial products.

Front

What is a partial product?

Back

A partial product is the result of multiplying a single digit of one number by the entire other number in multi-digit multiplication.

Front

How do you estimate the product of two numbers?

Back

To estimate the product, round each number to the nearest ten or hundred and then multiply the rounded numbers.

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to break down a multiplication problem into smaller, easier parts.

Front

If a box contains 25 packets of dressing and 13 boxes are used, how many packets are there in total?

Back

To find the total packets, multiply 25 packets by 13 boxes: 25 x 13 = 325 packets.

Front

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

Back

Multiply the three-digit number by each digit of the two-digit number, starting from the right, and then add the results, aligning them according to place value.

Front

What is the product of 36 and 27?

Back

The product of 36 and 27 is 972.