Multiplying 2-Digit x 1-Digit Numbers Flashcard

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Tags

CCSS.3.OA.A.1

Front

What are factors in multiplication?

Back

Factors are the numbers that are multiplied together to get a product. For example, in 6 x 4, both 6 and 4 are factors.

Tags

CCSS.4.OA.B.4

Front

What is a product in multiplication?

Back

The product is the result of multiplying two or more numbers together. For example, the product of 5 x 3 is 15.

Tags

CCSS.3.OA.A.1

Front

How do you multiply a 2-digit number by a 1-digit number?

Back

To multiply a 2-digit number by a 1-digit number, you can break the 2-digit number into tens and ones, multiply each part by the 1-digit number, and then add the results.

Tags

CCSS.4.NBT.B.5

Front

What is the first step in multiplying 24 by 3?

Back

The first step is to multiply the ones place: 4 (from 24) x 3 = 12. Write down 2 and carry over 1.

Tags

CCSS.4.NBT.B.5

Front

What is the second step in multiplying 24 by 3?

Back

The second step is to multiply the tens place: 2 (from 24) x 3 = 6, then add the carry-over 1. So, 6 + 1 = 7. The final answer is 72.

Tags

CCSS.4.NBT.B.5

Front

What does 'show your work' mean in math?

Back

'Show your work' means to write down all the steps you took to solve a problem, so others can understand how you got your answer.

Tags

CCSS.6.NS.B.3

Front

If Mr. Smith bought 8 kits at $15 each, how do you find the total cost?

Back

To find the total cost, multiply the number of kits (8) by the cost of each kit ($15): 8 x 15 = $120.

Tags

CCSS.3.OA.D.8

Front

What is the importance of understanding multiplication?

Back

Understanding multiplication helps in solving problems related to groups, arrays, and real-life situations like shopping, cooking, and measuring.

Tags

CCSS.5.MD.B.2

Front

What is an example of a multiplication problem?

Back

An example of a multiplication problem is: What is 7 x 6? The answer is 42.

Tags

CCSS.3.OA.A.1