3digit by 2digit multiplication

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times (3 + 3 + 3 + 3).

Front

What does it mean to multiply a 3-digit number by a 2-digit number?

Back

It means to take a number that has three digits (like 375) and multiply it by a number that has two digits (like 32). This involves calculating the total when you have a larger quantity of items.

Front

How do you set up a multiplication problem with a 3-digit number and a 2-digit number?

Back

Write the 3-digit number on top and the 2-digit number below it, aligning the digits to the right. Draw a line underneath to separate the problem from the answer.

Front

What is the first step in multiplying a 3-digit number by a 2-digit number?

Back

Multiply the bottom number's ones place by each digit of the top number, starting from the rightmost digit.

Front

What is the second step in multiplying a 3-digit number by a 2-digit number?

Back

Multiply the bottom number's tens place by each digit of the top number, starting from the rightmost digit, and shift the results one place to the left.

Front

What is the total amount made if 375 stuffed animals are sold at $32 each?

Back

$12,000 (375 x 32 = 12,000).

Front

How many notebooks does a school need if there are 345 students and each needs 52 notebooks?

Back

17,940 notebooks (345 x 52 = 17,940).

Front

If a bakery sells 286 cakes and each cake weighs 72 ounces, how much do all the cakes weigh?

Back

20,592 ounces (286 x 72 = 20,592).

Front

How many windows are needed for 128 houses if each house requires 78 windows?

Back

9,984 windows (128 x 78 = 9,984).

Front

What is the associative property of multiplication?

Back

The associative property states that the way in which numbers are grouped in multiplication does not change the product. For example, (2 x 3) x 4 = 2 x (3 x 4).