Multiplication ( Standard Algorithm)

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, 4 x 3 means adding 4 three times (4 + 4 + 4).

Tags

CCSS.3.OA.A.1

Front

What is the standard algorithm for multiplication?

Back

The standard algorithm for multiplication involves multiplying numbers in a step-by-step process, aligning digits by place value, and adding partial products.

Tags

CCSS.4.NBT.B.5

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 a multiplication problem.

Tags

CCSS.4.NBT.B.5

Front

How do you find the product of 46 x 23 using the standard algorithm?

Back

First, multiply 46 by 3 (the ones place of 23) to get 138. Then, multiply 46 by 20 (the tens place of 23) to get 920. Finally, add the two partial products: 138 + 920 = 1058.

Tags

CCSS.5.NBT.B.5

Front

What digit goes in the tens place when multiplying 46 x 23?

Back

The digit in the tens place is 8, from the partial product of 46 x 3.

Tags

CCSS.4.NBT.B.5

Front

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

Back

The first step is to multiply the digit in the ones place of the bottom number by each digit of the top number.

Tags

CCSS.4.NBT.B.5

Front

What is the second partial product in the multiplication of 46 x 23?

Back

The second partial product is 920, which comes from multiplying 46 by 20.

Tags

CCSS.4.NBT.B.5

Front

How do you align numbers when using the standard algorithm?

Back

Align the numbers by their place values, with the larger number on top and the smaller number directly below it.

Tags

CCSS.2.NBT.B.7

Front

What is the product of 4 x 5?

Back

The product of 4 x 5 is 20.

Tags

CCSS.3.OA.C.7

Front

What is the product of 12 x 3?

Back

The product of 12 x 3 is 36.

Tags

CCSS.4.NBT.B.5